| Dun Dealgan to Orthez | 770.30 mi (1,239.68 km) |
| Dun Dealgan to Orvault | 510.21 mi (821.10 km) |
| Dun Dealgan to Osny | 498.78 mi (802.71 km) |
| Dun Dealgan to Ostwald | 715.40 mi (1,151.32 km) |
| Dun Dealgan to Ouistreham | 419.50 mi (675.12 km) |
| Dun Dealgan to Oullins | 758.35 mi (1,220.44 km) |
| Dun Dealgan to Outreau | 407.15 mi (655.25 km) |
| Dun Dealgan to Oyonnax | 754.55 mi (1,214.32 km) |
| Dun Dealgan to Ozoir-la-Ferriere | 532.19 mi (856.48 km) |
| Dun Dealgan to Pace | 451.89 mi (727.24 km) |
| Dun Dealgan to Palaiseau | 521.90 mi (839.91 km) |
| Dun Dealgan to Pamiers | 835.86 mi (1,345.19 km) |
| Dun Dealgan to Panazol | 659.76 mi (1,061.78 km) |
| Dun Dealgan to Pantin | 517.52 mi (832.87 km) |
| Dun Dealgan to Paray-le-Monial | 697.88 mi (1,123.13 km) |
