Dublin radius map at a glance
A 10 km circle centered on O’Connell Bridge is 20 kilometers across and covers about 314 km² (121 sq mi). It contains 7 towns, cities, and city districts with at least 15,000 residents; the largest apart from Dublin itself is Sandyford, 8.4 km to the S. The nearest separately listed town is Finglas, 5.3 km away.
Dublin Bay takes up much of any circle east of O’Connell Bridge. The M50 orbital motorway runs roughly 7 to 12 km from the centre, so a 10 km circle and the M50 cover similar ground.
How far each radius reaches from central Dublin
Each row counts the places with 15,000+ residents inside a circle of that size, and names the largest towns that first appear in that ring. Use it to choose a starting radius before you adjust the map.
| Radius | Area | Places inside | Largest new places in this ring |
|---|---|---|---|
| 5 km (3.1 mi) | 79 km² | 0 | — |
| 10 km (6.2 mi) | 314 km² | 7 | Sandyford (8.4 km S), Finglas (5.3 km NW), Rathfarnham (5.4 km S) |
| 25 km (16 mi) | 1,963 km² | 16 | Tallaght (10 km SW), Swords (13 km N), Bray (19 km SE) |
| 50 km (31 mi) | 7,854 km² | 22 | Drogheda (42 km N), Navan (44 km NW), Droichead Nua (40 km SW) |
| 100 km (62 mi) | 31,415 km² | 28 | Dundalk (73 km N), Newry (93 km N), Carlow (72 km SW) |
Counts include city districts that GeoNames lists separately. Straight-line distances from 53.3473, -6.2591.
Towns and cities within 40 kilometers of Dublin
The 15 largest of the 16 towns and cities with at least 15,000 residents within 40 kilometers of O’Connell Bridge. To list every place for your own center and radius, draw the circle above and open Towns and cities inside the circle.
| Place | Region | Distance | Population |
|---|---|---|---|
| Tallaght | Leinster | 10 km SW | 81,022 |
| Swords | Leinster | 13 km N | 40,776 |
| Bray | Leinster | 19 km SE | 33,512 |
| Dún Laoghaire | Leinster | 10 km SE | 31,239 |
| Sandyford | Leinster | 8.4 km S | 22,288 |
| Greystones | Leinster | 26 km SE | 22,009 |
| Balbriggan | Leinster | 29 km N | 21,722 |
| Naas | Leinster | 31 km SW | 20,713 |
| Celbridge | Leinster | 19 km W | 20,288 |
| Finglas | Leinster | 5.3 km NW | 19,768 |
| Rathfarnham | Leinster | 5.4 km S | 17,333 |
| Maynooth | Leinster | 23 km W | 17,259 |
| Malahide | Leinster | 13 km NE | 16,550 |
| Blanchardstown | Leinster | 9.0 km NW | 16,511 |
| Leixlip | Leinster | 16 km W | 15,504 |
Population figures from GeoNames; census years and boundary definitions vary.
Distances to nearby major cities
The closest cities with more than 500,000 residents, measured in a straight line from O’Connell Bridge. Road distances are longer.
| City | Direction | Kilometers | Miles |
|---|---|---|---|
| Manchester, United Kingdom | E | 267 km | 166 mi |
| Birmingham, United Kingdom | E | 308 km | 191 mi |
| Glasgow, United Kingdom | NE | 308 km | 191 mi |
| Leeds, United Kingdom | E | 315 km | 196 mi |
| Sheffield, United Kingdom | E | 318 km | 198 mi |
| Edinburgh, United Kingdom | NE | 350 km | 218 mi |
A comparison to try
Compare a city-centre office with Dún Laoghaire and Blanchardstown using equal radii.
- Choose one of the place shortcuts above, then select a search result to move your circle.
- Set a distance in kilometers, or switch units without changing the circle’s size.
- Choose Add circle, then search the next location to move the new circle there.
- Give the circles different labels and colors, then choose Fit all circles to see their overlap.
Choose the right center
The map starts at O’Connell Bridge (53.3473, -6.2591). Dublin postal districts and Eircodes do not follow circles; check the exact address when a boundary matters.
The place shortcuts run a search; they are not neighborhood outlines or claims that a whole neighborhood is inside your circle.
Keep your Dublin map
Your draft saves in this browser. Share creates a snapshot link. Export a map project to reopen your circles on another device, KML for Google Earth, GeoJSON for GIS software, CSV for a spreadsheet, or a PNG image for a report.
Frequently asked questions
How big is a 10 km radius around Dublin?
A 10 km radius is 20 kilometers across and covers about 314 km² (121 sq mi), including any water inside the circle. Measured from O’Connell Bridge, it contains 7 listed towns, cities, and city districts with at least 15,000 residents.
How many towns and cities are within 40 kilometers of Dublin?
16 towns and cities with at least 15,000 residents lie within 40 straight-line kilometers of O’Connell Bridge. The largest are Tallaght, Swords, Bray. City districts listed separately in the data are not counted here.
What is the nearest large city to Dublin?
Manchester, United Kingdom is the nearest city with more than 500,000 residents (outside Dublin itself), about 267 km (166 mi) to the E in a straight line.
Does a radius around Dublin follow roads?
No. The circle shows straight-line distance from the center in every direction. Dublin postal districts and Eircodes do not follow circles; check the exact address when a boundary matters.
Browse all city radius maps · Find cities within any radius · Full map guide