| Altoona to Cabestany | 4,032.81 mi (6,490.18 km) |
| Altoona to Cabries | 4,116.05 mi (6,624.15 km) |
| Altoona to Cachan | 3,820.57 mi (6,148.61 km) |
| Altoona to Caen | 3,697.41 mi (5,950.41 km) |
| Altoona to Cagnes-sur-Mer | 4,185.92 mi (6,736.58 km) |
| Altoona to Cahors | 3,910.17 mi (6,292.81 km) |
| Altoona to Calais | 3,742.25 mi (6,022.56 km) |
| Altoona to Caluire-et-Cuire | 4,016.53 mi (6,463.98 km) |
| Altoona to Cambrai | 3,818.83 mi (6,145.82 km) |
| Altoona to Canet-en-Roussillon | 4,034.88 mi (6,493.52 km) |
| Altoona to Cannes | 4,183.84 mi (6,733.24 km) |
| Altoona to Canteleu | 3,748.66 mi (6,032.89 km) |
| Altoona to Capbreton | 3,806.02 mi (6,125.20 km) |
| Altoona to Carcassonne | 3,989.25 mi (6,420.08 km) |
| Altoona to Carmaux | 3,954.24 mi (6,363.73 km) |
