| Altoona to Cognac | 3,795.12 mi (6,107.65 km) |
| Altoona to Cogolin | 4,172.89 mi (6,715.62 km) |
| Altoona to Colmar | 4,049.28 mi (6,516.68 km) |
| Altoona to Colombes | 3,813.55 mi (6,137.32 km) |
| Altoona to Colomiers | 3,931.26 mi (6,326.76 km) |
| Altoona to Combs-la-Ville | 3,833.50 mi (6,169.42 km) |
| Altoona to Comines | 3,793.54 mi (6,105.12 km) |
| Altoona to Compiegne | 3,823.31 mi (6,153.03 km) |
| Altoona to Concarneau | 3,580.04 mi (5,761.51 km) |
| Altoona to Conde-sur-l'Escaut | 3,825.58 mi (6,156.67 km) |
| Altoona to Conflans-Sainte-Honorine | 3,805.05 mi (6,123.64 km) |
| Altoona to Corbas | 4,022.91 mi (6,474.24 km) |
| Altoona to Corbeil-Essonnes | 3,831.85 mi (6,166.77 km) |
| Altoona to Cormeilles-en-Parisis | 3,810.03 mi (6,131.66 km) |
| Altoona to Cosne sur Loire | 3,885.32 mi (6,252.82 km) |
