| Formia to Orthez | 749.20 mi (1,205.72 km) |
| Formia to Orvault | 858.47 mi (1,381.57 km) |
| Formia to Osny | 777.31 mi (1,250.96 km) |
| Formia to Ostwald | 579.89 mi (933.24 km) |
| Formia to Ouistreham | 870.34 mi (1,400.68 km) |
| Formia to Oullins | 537.46 mi (864.96 km) |
| Formia to Outreau | 868.63 mi (1,397.92 km) |
| Formia to Oyonnax | 525.52 mi (845.74 km) |
| Formia to Ozoir-la-Ferriere | 743.34 mi (1,196.29 km) |
| Formia to Pace | 890.40 mi (1,432.95 km) |
| Formia to Palaiseau | 755.84 mi (1,216.40 km) |
| Formia to Pamiers | 627.16 mi (1,009.31 km) |
| Formia to Panazol | 691.47 mi (1,112.81 km) |
| Formia to Pantin | 758.30 mi (1,220.37 km) |
| Formia to Paray-le-Monial | 592.76 mi (953.95 km) |
