| Altus to Cernavoda | 6,057.70 mi (9,748.92 km) |
| Altus to Chitila | 5,981.71 mi (9,626.63 km) |
| Altus to Cisnadie | 5,859.97 mi (9,430.71 km) |
| Altus to Cluj-Napoca | 5,788.64 mi (9,315.91 km) |
| Altus to Codlea | 5,903.42 mi (9,500.64 km) |
| Altus to Comanesti | 5,898.52 mi (9,492.75 km) |
| Altus to Comarnic | 5,932.37 mi (9,547.23 km) |
| Altus to Constanta | 6,086.02 mi (9,794.51 km) |
| Altus to Corabia | 5,969.22 mi (9,606.54 km) |
| Altus to Costesti | 5,936.78 mi (9,554.32 km) |
| Altus to Covasna | 5,919.77 mi (9,526.95 km) |
| Altus to Craiova | 5,917.70 mi (9,523.62 km) |
| Altus to Cristuru Secuiesc | 5,859.95 mi (9,430.69 km) |
| Altus to Cugir | 5,827.18 mi (9,377.95 km) |
| Altus to Cumpana | 6,086.36 mi (9,795.05 km) |
