| Hilsea to Cortona | 804.35 mi (1,294.48 km) |
| Hilsea to Cosenza | 1,156.13 mi (1,860.61 km) |
| Hilsea to Cossato | 558.91 mi (899.48 km) |
| Hilsea to Costa Volpino | 617.49 mi (993.75 km) |
| Hilsea to Creazzo | 683.02 mi (1,099.21 km) |
| Hilsea to Crema | 622.43 mi (1,001.71 km) |
| Hilsea to Cremona | 645.87 mi (1,039.42 km) |
| Hilsea to Crevalcore | 705.91 mi (1,136.05 km) |
| Hilsea to Crispiano | 1,125.73 mi (1,811.69 km) |
| Hilsea to Crosia | 1,160.54 mi (1,867.71 km) |
| Hilsea to Crotone | 1,197.92 mi (1,927.87 km) |
| Hilsea to Cuneo | 598.91 mi (963.86 km) |
| Hilsea to Cuorgne | 549.88 mi (884.95 km) |
| Hilsea to Cusano Milanino | 595.87 mi (958.96 km) |
| Hilsea to Cutro | 1,195.79 mi (1,924.44 km) |
