| Vacaville to Cortona | 6,102.98 mi (9,821.80 km) |
| Vacaville to Cosenza | 6,453.73 mi (10,386.28 km) |
| Vacaville to Cossato | 5,864.45 mi (9,437.92 km) |
| Vacaville to Costa Volpino | 5,905.07 mi (9,503.29 km) |
| Vacaville to Creazzo | 5,960.41 mi (9,592.35 km) |
| Vacaville to Crema | 5,919.27 mi (9,526.14 km) |
| Vacaville to Cremona | 5,942.31 mi (9,563.23 km) |
| Vacaville to Crevalcore | 5,997.40 mi (9,651.88 km) |
| Vacaville to Crispiano | 6,403.90 mi (10,306.08 km) |
| Vacaville to Crosia | 6,452.36 mi (10,384.07 km) |
| Vacaville to Crotone | 6,490.62 mi (10,445.65 km) |
| Vacaville to Cuneo | 5,911.38 mi (9,513.45 km) |
| Vacaville to Cuorgne | 5,859.06 mi (9,429.25 km) |
| Vacaville to Cusano Milanino | 5,894.75 mi (9,486.68 km) |
| Vacaville to Cutro | 6,489.90 mi (10,444.48 km) |
