| Civitavecchia to Orthez | 643.88 mi (1,036.23 km) |
| Civitavecchia to Orvault | 748.53 mi (1,204.64 km) |
| Civitavecchia to Osny | 671.98 mi (1,081.44 km) |
| Civitavecchia to Ostwald | 487.75 mi (784.96 km) |
| Civitavecchia to Ouistreham | 763.08 mi (1,228.05 km) |
| Civitavecchia to Oullins | 428.13 mi (689.01 km) |
| Civitavecchia to Outreau | 766.57 mi (1,233.67 km) |
| Civitavecchia to Oyonnax | 418.28 mi (673.16 km) |
| Civitavecchia to Ozoir-la-Ferriere | 638.18 mi (1,027.05 km) |
| Civitavecchia to Pace | 780.92 mi (1,256.77 km) |
| Civitavecchia to Palaiseau | 649.95 mi (1,045.99 km) |
| Civitavecchia to Pamiers | 522.55 mi (840.96 km) |
| Civitavecchia to Panazol | 581.47 mi (935.79 km) |
| Civitavecchia to Pantin | 653.04 mi (1,050.96 km) |
| Civitavecchia to Paray-le-Monial | 484.12 mi (779.12 km) |
