| Osny to Cosenza | 971.12 mi (1,562.86 km) |
| Osny to Cossato | 373.95 mi (601.82 km) |
| Osny to Costa Volpino | 436.46 mi (702.41 km) |
| Osny to Creazzo | 503.70 mi (810.63 km) |
| Osny to Crema | 439.00 mi (706.49 km) |
| Osny to Cremona | 462.36 mi (744.09 km) |
| Osny to Crevalcore | 523.04 mi (841.74 km) |
| Osny to Crispiano | 942.68 mi (1,517.10 km) |
| Osny to Crosia | 975.98 mi (1,570.69 km) |
| Osny to Crotone | 1,013.23 mi (1,630.63 km) |
| Osny to Cuneo | 414.42 mi (666.95 km) |
| Osny to Cuorgne | 364.53 mi (586.65 km) |
| Osny to Cusano Milanino | 412.14 mi (663.27 km) |
| Osny to Cutro | 1,010.99 mi (1,627.04 km) |
| Osny to Cutrofiano | 1,002.61 mi (1,613.55 km) |
