| Altamont to Cortona | 5,870.68 mi (9,447.94 km) |
| Altamont to Cosenza | 6,220.08 mi (10,010.25 km) |
| Altamont to Cossato | 5,634.29 mi (9,067.51 km) |
| Altamont to Costa Volpino | 5,672.05 mi (9,128.28 km) |
| Altamont to Creazzo | 5,725.99 mi (9,215.09 km) |
| Altamont to Crema | 5,687.38 mi (9,152.96 km) |
| Altamont to Cremona | 5,710.27 mi (9,189.80 km) |
| Altamont to Crevalcore | 5,764.42 mi (9,276.94 km) |
| Altamont to Crispiano | 6,167.43 mi (9,925.51 km) |
| Altamont to Crosia | 6,217.66 mi (10,006.35 km) |
| Altamont to Crotone | 6,255.94 mi (10,067.96 km) |
| Altamont to Cuneo | 5,683.71 mi (9,147.04 km) |
| Altamont to Cuorgne | 5,629.83 mi (9,060.34 km) |
| Altamont to Cusano Milanino | 5,663.27 mi (9,114.16 km) |
| Altamont to Cutro | 6,255.47 mi (10,067.20 km) |
