| Dublin to Orthez | 725.86 mi (1,168.16 km) |
| Dublin to Orvault | 466.94 mi (751.46 km) |
| Dublin to Osny | 466.07 mi (750.07 km) |
| Dublin to Ostwald | 691.09 mi (1,112.21 km) |
| Dublin to Ouistreham | 382.23 mi (615.14 km) |
| Dublin to Oullins | 722.73 mi (1,163.11 km) |
| Dublin to Outreau | 380.38 mi (612.17 km) |
| Dublin to Oyonnax | 721.20 mi (1,160.66 km) |
| Dublin to Ozoir-la-Ferriere | 499.86 mi (804.45 km) |
| Dublin to Pace | 409.27 mi (658.66 km) |
| Dublin to Palaiseau | 488.48 mi (786.14 km) |
| Dublin to Pamiers | 793.35 mi (1,276.77 km) |
| Dublin to Panazol | 619.14 mi (996.41 km) |
| Dublin to Pantin | 485.00 mi (780.53 km) |
| Dublin to Paray-le-Monial | 662.50 mi (1,066.19 km) |
