| Butte to Cortona | 5,404.01 mi (8,696.91 km) |
| Butte to Cosenza | 5,755.56 mi (9,262.68 km) |
| Butte to Cossato | 5,164.12 mi (8,310.85 km) |
| Butte to Costa Volpino | 5,206.80 mi (8,379.53 km) |
| Butte to Creazzo | 5,263.26 mi (8,470.41 km) |
| Butte to Crema | 5,220.11 mi (8,400.95 km) |
| Butte to Cremona | 5,243.25 mi (8,438.20 km) |
| Butte to Crevalcore | 5,299.02 mi (8,527.95 km) |
| Butte to Crispiano | 5,708.28 mi (9,186.60 km) |
| Butte to Crosia | 5,755.07 mi (9,261.89 km) |
| Butte to Crotone | 5,793.28 mi (9,323.38 km) |
| Butte to Cuneo | 5,209.54 mi (8,383.95 km) |
| Butte to Cuorgne | 5,158.15 mi (8,301.24 km) |
| Butte to Cusano Milanino | 5,195.30 mi (8,361.03 km) |
| Butte to Cutro | 5,792.34 mi (9,321.88 km) |
