| Allouez to Cognac | 4,047.14 mi (6,513.24 km) |
| Allouez to Cogolin | 4,420.30 mi (7,113.78 km) |
| Allouez to Colmar | 4,251.86 mi (6,842.71 km) |
| Allouez to Colombes | 4,026.46 mi (6,479.97 km) |
| Allouez to Colomiers | 4,195.74 mi (6,752.39 km) |
| Allouez to Combs-la-Ville | 4,047.77 mi (6,514.26 km) |
| Allouez to Comines | 3,986.21 mi (6,415.19 km) |
| Allouez to Compiegne | 4,029.61 mi (6,485.03 km) |
| Allouez to Concarneau | 3,823.46 mi (6,153.26 km) |
| Allouez to Conde-sur-l'Escaut | 4,019.36 mi (6,468.53 km) |
| Allouez to Conflans-Sainte-Honorine | 4,017.77 mi (6,465.97 km) |
| Allouez to Corbas | 4,256.06 mi (6,849.47 km) |
| Allouez to Corbeil-Essonnes | 4,046.92 mi (6,512.89 km) |
| Allouez to Cormeilles-en-Parisis | 4,022.64 mi (6,473.81 km) |
| Allouez to Cosne sur Loire | 4,110.07 mi (6,614.51 km) |
