Radius Map of Dublin

The map above is centered on Dublin, Ireland, near O'Connell Bridge, with a default 15 km radius. Drag to move it, search for a different address, or change the radius and unit using the controls.

Dublin sits on the east coast of Ireland, where the River Liffey meets the Irish Sea. The city is bounded sharply on the east by the sea (Dublin Bay) and rings outward through suburbs that follow the M50 motorway loop. Distances here are measured from O'Connell Bridge (53.347° N, 6.260° W), the historic centre.

Population: Dublin city proper
Country: Ireland
Coordinates: 53.3470, -6.2598
Time zone: Europe/Dublin

Dublin's M50 ring road sits roughly 8–10 km from O'Connell Bridge and forms the practical outer limit of the city — most of the Greater Dublin Area is within a 25 km radius of the centre.

Also known as: Baile Átha Cliath, The Pale, The Fair City, Dub.

What's within each radius from O'Connell Bridge

Real coverage at the most-searched radii, including notable places that fall just outside the circle. Use these as ground truth before relying on a circle for real-estate, retail, or service-area decisions.

3 km from O'Connell Bridge

A 3 km radius from O'Connell Bridge covers the city centre — Temple Bar, St. Stephen's Green, Trinity College, Christ Church, the Liberties, Smithfield, and the inner docklands.

Inside the circle

✓City centre (north and south of the Liffey)
✓Trinity College, St. Stephen's Green
✓Temple Bar, Smithfield
✓The Liberties, Phibsborough
✓Docklands (Grand Canal, Spencer Dock)

Just outside

✗Dublin Airport (~10 km north)
✗Sandymount, Ballsbridge (~3+ km)
✗Phoenix Park's western half
✗Most of Dún Laoghaire-Rathdown
✗Tallaght, Blanchardstown, Swords

5 km from O'Connell Bridge

A 5 km radius covers the central city plus inner suburbs — Ballsbridge, Sandymount, Drumcondra, Phibsborough, Phoenix Park, Inchicore, Rathmines, and Donnybrook.

Inside the circle

✓All of central Dublin
✓Ballsbridge, Sandymount, Donnybrook
✓Drumcondra, Phibsborough, Glasnevin
✓Phoenix Park, Inchicore, Kilmainham
✓Rathmines, Ranelagh

Just outside

✗Dublin Airport (~10 km)
✗Dún Laoghaire (~12 km southeast)
✗Tallaght (~13 km southwest)
✗Blanchardstown (~10 km west)
✗Swords (~14 km north)

10 km from O'Connell Bridge

A 10 km radius covers all of Dublin city and most of the M50 ring — Tallaght's edge, Blanchardstown, Clontarf, Howth's western edge, and Dublin Airport (just inside).

Inside the circle

✓Dublin Airport (DUB) — just inside
✓Most of the M50 ring
✓Clontarf, Raheny, Sutton
✓Tallaght (eastern edge), Blanchardstown
✓Dún Laoghaire's northern edge

Just outside

✗Tallaght town centre (~13 km)
✗Bray (~22 km)
✗Swords (~14 km)
✗Maynooth (~24 km)
✗Howth Head (~13 km)

25 km from O'Connell Bridge

A 25 km radius covers most of the Greater Dublin Area — Bray, Swords, Maynooth, Lucan, Tallaght, Dún Laoghaire, and the inner commuter belt.

Inside the circle

✓All of the M50 ring and most of the GDA
✓Bray and Greystones (just inside)
✓Swords, Malahide, Skerries's southern edge
✓Maynooth, Celbridge, Leixlip
✓Dún Laoghaire-Rathdown in full

Just outside

✗Drogheda (~50 km north)
✗Wicklow town (~50 km)
✗Naas (~30 km)
✗Navan (~50 km)
✗Most of County Wicklow Mountains

50 km from O'Connell Bridge

A 50 km radius reaches Drogheda, Naas, Wicklow town, Navan's edge, and most of the Greater Dublin commuter belt — the practical outer limit of daily commuting.

Inside the circle

✓Drogheda, Wicklow town, Naas
✓Navan, Trim
✓Most of County Wicklow's east coast
✓All of the GDA commuter belt
✓Most of County Kildare's east

Just outside

✗Galway (~190 km west)
✗Cork (~250 km southwest)
✗Belfast (~165 km north)
✗Limerick (~200 km southwest)
✗Most of the Wicklow Mountains interior

How Dublin radius maps get used

City-specific scenarios where a radius is the right tool — and the typical radius sizes professionals use.

Dublin city-centre rental search

A 3–5 km radius from O'Connell Bridge covers the central rental market — the highest-density area, where most apartments are located. Outside the M50 (10+ km), housing shifts toward semi-detached and detached homes typical of suburban Dublin.

Typical radius: 3–5 km for inner-city Dublin

M50 commuter zone

The M50 motorway forms a roughly 8–10 km ring around Dublin and is the practical edge of "Dublin proper". A 10 km radius approximates this — useful for filtering jobs, services, or housing inside vs outside the M50.

Typical radius: 10 km for inside the M50

Greater Dublin Area catchment

The Greater Dublin Area covers about 2 million people across Dublin, Meath, Kildare, and Wicklow. A 25 km radius from O'Connell Bridge captures most of this and is the standard "GDA" service-area for retail and recruitment.

Typical radius: 25 km for the GDA

Dublin Airport service zone

Dublin Airport (DUB) sits about 10 km north of O'Connell Bridge. A 10 km radius reaches the airport just inside, but most airport hotel and ground-transport service zones use a 15 km radius for a comfortable buffer.

Typical radius: 15 km to comfortably include DUB

Geographic quirks of Dublin radius mapping

Local geography and infrastructure that change how a radius behaves here. Skipping these is the most common reason a radius decision goes sideways.

The Irish Sea cuts the eastern arc

O'Connell Bridge sits about 3 km from Dublin Bay. A radius drawn east extends quickly into the sea — a 10 km radius is roughly 25–30% water on the east side, and beyond Howth Head (13 km) the entire eastern arc is open sea.

The M50 = 10 km

Dublin's M50 motorway ring sits at roughly 8–10 km from the centre on most arcs. "Inside the M50" is the most common Dublin shorthand for the urban core, and a 10 km radius is a useful approximation. The N3, N4, N7, and M1 are the radial spokes.

The Wicklow Mountains cap the south

About 25 km south of Dublin, the Wicklow Mountains rise sharply, with most of the upland area protected as Wicklow Mountains National Park. Beyond ~30 km south, terrain becomes largely uninhabited — a southward radius extends into wilderness rather than population.

FAQ — Radius mapping in Dublin

How big is a 10 km radius in Dublin?

A 10 km radius from O'Connell Bridge covers all of Dublin city, most of the M50 ring, Clontarf, Raheny, Tallaght's eastern edge, Blanchardstown, and Dublin Airport. Bray, Swords, and Maynooth sit just outside.

What's within 25 km of Dublin?

A 25 km radius covers Bray, Swords, Maynooth, Lucan, Tallaght, Dún Laoghaire, Malahide, and most of the Greater Dublin Area. It's the standard "GDA" radius for retail catchments and labour markets.

Does a 10 km radius cover Dublin Airport?

Yes, just barely. Dublin Airport (DUB) sits about 10 km north of O'Connell Bridge — comfortably inside a 12 km or 15 km radius, and at the edge of a 10 km circle.

What does "inside the M50" mean and how does it map to a radius?

"Inside the M50" refers to the area enclosed by the M50 motorway, Dublin's outer ring road. The M50 sits at roughly 8–10 km from O'Connell Bridge on most arcs, so a 10 km radius is a useful approximation of the urban core.

How far is Bray from Dublin?

Bray, in County Wicklow, sits about 22 km south-east of O'Connell Bridge — just inside a 25 km radius. The DART (Dublin's suburban rail) runs from Howth and Malahide through the city centre to Bray and Greystones.

How does Dublin's Greater Dublin Area compare to other capital regions?

The Greater Dublin Area holds about 2 million people across Dublin city and the surrounding counties of Meath, Kildare, and Wicklow. A 25 km radius captures most of this. By comparison, Greater London needs a 30 km radius and holds nearly 10 million.