| Rockwall to Cognac | 4,901.70 mi (7,888.52 km) |
| Rockwall to Cogolin | 5,278.65 mi (8,495.16 km) |
| Rockwall to Colmar | 5,133.42 mi (8,261.44 km) |
| Rockwall to Colombes | 4,902.49 mi (7,889.80 km) |
| Rockwall to Colomiers | 5,042.71 mi (8,115.46 km) |
| Rockwall to Combs-la-Ville | 4,923.20 mi (7,923.12 km) |
| Rockwall to Comines | 4,871.32 mi (7,839.64 km) |
| Rockwall to Compiegne | 4,908.79 mi (7,899.94 km) |
| Rockwall to Concarneau | 4,682.53 mi (7,535.81 km) |
| Rockwall to Conde-sur-l'Escaut | 4,904.10 mi (7,892.38 km) |
| Rockwall to Conflans-Sainte-Honorine | 4,893.86 mi (7,875.91 km) |
| Rockwall to Corbas | 5,122.24 mi (8,243.45 km) |
| Rockwall to Corbeil-Essonnes | 4,921.95 mi (7,921.12 km) |
| Rockwall to Cormeilles-en-Parisis | 4,898.80 mi (7,883.86 km) |
| Rockwall to Cosne sur Loire | 4,980.36 mi (8,015.12 km) |
