| Collinsville to Cortona | 4,969.48 mi (7,997.61 km) |
| Collinsville to Cosenza | 5,313.06 mi (8,550.55 km) |
| Collinsville to Cossato | 4,724.20 mi (7,602.86 km) |
| Collinsville to Costa Volpino | 4,790.99 mi (7,710.36 km) |
| Collinsville to Creazzo | 4,857.42 mi (7,817.27 km) |
| Collinsville to Crema | 4,792.73 mi (7,713.16 km) |
| Collinsville to Cremona | 4,815.92 mi (7,750.47 km) |
| Collinsville to Crevalcore | 4,877.13 mi (7,848.98 km) |
| Collinsville to Crispiano | 5,295.53 mi (8,522.32 km) |
| Collinsville to Crosia | 5,322.45 mi (8,565.66 km) |
| Collinsville to Crotone | 5,358.26 mi (8,623.29 km) |
| Collinsville to Cuneo | 4,744.63 mi (7,635.74 km) |
| Collinsville to Cuorgne | 4,710.13 mi (7,580.22 km) |
| Collinsville to Cusano Milanino | 4,765.59 mi (7,669.47 km) |
| Collinsville to Cutro | 5,355.01 mi (8,618.05 km) |
