| Osny to Civita Castellana | 682.89 mi (1,099.00 km) |
| Osny to Civitanova Marche | 684.40 mi (1,101.43 km) |
| Osny to Civitavecchia | 671.98 mi (1,081.44 km) |
| Osny to Civitella in Val di Chiana | 603.20 mi (970.76 km) |
| Osny to Clusone | 428.46 mi (689.54 km) |
| Osny to Coccaglio | 442.20 mi (711.66 km) |
| Osny to Codigoro | 556.24 mi (895.18 km) |
| Osny to Codogno | 448.79 mi (722.26 km) |
| Osny to Codroipo | 551.93 mi (888.24 km) |
| Osny to Cogoleto | 448.38 mi (721.60 km) |
| Osny to Colle di Val d'Elsa | 583.10 mi (938.40 km) |
| Osny to Colle Salvetti | 550.46 mi (885.88 km) |
| Osny to Collecchio | 486.18 mi (782.43 km) |
| Osny to Colleferro | 732.57 mi (1,178.96 km) |
| Osny to Collegno | 377.85 mi (608.10 km) |
