| Altoona to Carpentras | 4,081.26 mi (6,568.16 km) |
| Altoona to Carquefou | 3,699.82 mi (5,954.28 km) |
| Altoona to Carqueiranne | 4,158.18 mi (6,691.94 km) |
| Altoona to Carrieres-sous-Poissy | 3,804.01 mi (6,121.96 km) |
| Altoona to Carrieres-sur-Seine | 3,815.43 mi (6,140.34 km) |
| Altoona to Carros | 4,184.17 mi (6,733.77 km) |
| Altoona to Carvin | 3,798.87 mi (6,113.70 km) |
| Altoona to Castanet-Tolosan | 3,941.54 mi (6,343.29 km) |
| Altoona to Castelginest | 3,933.08 mi (6,329.67 km) |
| Altoona to Castelnau-le-Lez | 4,044.49 mi (6,508.98 km) |
| Altoona to Castelnaudary | 3,968.12 mi (6,386.07 km) |
| Altoona to Castelsarrasin | 3,907.85 mi (6,289.08 km) |
| Altoona to Castres | 3,972.43 mi (6,393.00 km) |
| Altoona to Caudebec-les-Elbeuf | 3,752.64 mi (6,039.29 km) |
| Altoona to Caudry | 3,827.41 mi (6,159.62 km) |
