| Allen to Cognac | 4,902.75 mi (7,890.21 km) |
| Allen to Cogolin | 5,279.57 mi (8,496.64 km) |
| Allen to Colmar | 5,132.84 mi (8,260.50 km) |
| Allen to Colombes | 4,902.25 mi (7,889.41 km) |
| Allen to Colomiers | 5,044.20 mi (8,117.85 km) |
| Allen to Combs-la-Ville | 4,923.00 mi (7,922.81 km) |
| Allen to Comines | 4,870.43 mi (7,838.21 km) |
| Allen to Compiegne | 4,908.34 mi (7,899.21 km) |
| Allen to Concarneau | 4,683.29 mi (7,537.02 km) |
| Allen to Conde-sur-l'Escaut | 4,903.24 mi (7,891.01 km) |
| Allen to Conflans-Sainte-Honorine | 4,893.62 mi (7,875.51 km) |
| Allen to Corbas | 5,122.67 mi (8,244.14 km) |
| Allen to Corbeil-Essonnes | 4,921.78 mi (7,920.85 km) |
| Allen to Cormeilles-en-Parisis | 4,898.55 mi (7,883.46 km) |
| Allen to Cosne sur Loire | 4,980.51 mi (8,015.36 km) |
