| Onate to Cortona | 725.36 mi (1,167.35 km) |
| Onate to Cosenza | 1,002.24 mi (1,612.95 km) |
| Onate to Cossato | 551.34 mi (887.30 km) |
| Onate to Costa Volpino | 646.25 mi (1,040.04 km) |
| Onate to Creazzo | 707.91 mi (1,139.27 km) |
| Onate to Crema | 619.99 mi (997.77 km) |
| Onate to Cremona | 634.02 mi (1,020.36 km) |
| Onate to Crevalcore | 684.80 mi (1,102.08 km) |
| Onate to Crispiano | 1,023.29 mi (1,646.82 km) |
| Onate to Crosia | 1,021.69 mi (1,644.25 km) |
| Onate to Crotone | 1,050.93 mi (1,691.31 km) |
| Onate to Cuneo | 506.12 mi (814.51 km) |
| Onate to Cuorgne | 524.02 mi (843.33 km) |
| Onate to Cusano Milanino | 598.84 mi (963.74 km) |
| Onate to Cutro | 1,045.50 mi (1,682.58 km) |
