| Mullingar to Orthez | 754.90 mi (1,214.89 km) |
| Mullingar to Orvault | 499.52 mi (803.90 km) |
| Mullingar to Osny | 509.29 mi (819.62 km) |
| Mullingar to Ostwald | 736.64 mi (1,185.51 km) |
| Mullingar to Ouistreham | 422.80 mi (680.43 km) |
| Mullingar to Oullins | 763.94 mi (1,229.45 km) |
| Mullingar to Outreau | 425.67 mi (685.05 km) |
| Mullingar to Oyonnax | 763.82 mi (1,229.24 km) |
| Mullingar to Ozoir-la-Ferriere | 543.21 mi (874.21 km) |
| Mullingar to Pace | 443.37 mi (713.54 km) |
| Mullingar to Palaiseau | 531.32 mi (855.07 km) |
| Mullingar to Pamiers | 826.78 mi (1,330.57 km) |
| Mullingar to Panazol | 655.73 mi (1,055.29 km) |
| Mullingar to Pantin | 528.27 mi (850.17 km) |
| Mullingar to Paray-le-Monial | 703.94 mi (1,132.89 km) |
