| Altus to Cortona | 5,532.77 mi (8,904.14 km) |
| Altus to Cosenza | 5,879.21 mi (9,461.68 km) |
| Altus to Cossato | 5,286.84 mi (8,508.34 km) |
| Altus to Costa Volpino | 5,350.61 mi (8,610.97 km) |
| Altus to Creazzo | 5,415.98 mi (8,716.18 km) |
| Altus to Crema | 5,354.02 mi (8,616.46 km) |
| Altus to Cremona | 5,377.33 mi (8,653.98 km) |
| Altus to Crevalcore | 5,438.14 mi (8,751.83 km) |
| Altus to Crispiano | 5,857.63 mi (9,426.95 km) |
| Altus to Crosia | 5,887.38 mi (9,474.82 km) |
| Altus to Crotone | 5,923.68 mi (9,533.25 km) |
| Altus to Cuneo | 5,310.71 mi (8,546.76 km) |
| Altus to Cuorgne | 5,273.79 mi (8,487.35 km) |
| Altus to Cusano Milanino | 5,327.04 mi (8,573.05 km) |
| Altus to Cutro | 5,920.71 mi (9,528.46 km) |
