| Richardson to Cognac | 4,910.71 mi (7,903.02 km) |
| Richardson to Cogolin | 5,287.57 mi (8,509.52 km) |
| Richardson to Colmar | 5,141.24 mi (8,274.03 km) |
| Richardson to Colombes | 4,910.57 mi (7,902.80 km) |
| Richardson to Colomiers | 5,052.03 mi (8,130.45 km) |
| Richardson to Combs-la-Ville | 4,931.31 mi (7,936.18 km) |
| Richardson to Comines | 4,878.92 mi (7,851.86 km) |
| Richardson to Compiegne | 4,916.71 mi (7,912.68 km) |
| Richardson to Concarneau | 4,691.33 mi (7,549.97 km) |
| Richardson to Conde-sur-l'Escaut | 4,911.72 mi (7,904.64 km) |
| Richardson to Conflans-Sainte-Honorine | 4,901.93 mi (7,888.90 km) |
| Richardson to Corbas | 5,130.80 mi (8,257.23 km) |
| Richardson to Corbeil-Essonnes | 4,930.08 mi (7,934.20 km) |
| Richardson to Cormeilles-en-Parisis | 4,906.87 mi (7,896.85 km) |
| Richardson to Cosne sur Loire | 4,988.73 mi (8,028.58 km) |
