| Gresham to Cognac | 5,217.20 mi (8,396.27 km) |
| Gresham to Cogolin | 5,551.40 mi (8,934.12 km) |
| Gresham to Colmar | 5,295.42 mi (8,522.15 km) |
| Gresham to Colombes | 5,113.19 mi (8,228.89 km) |
| Gresham to Colomiers | 5,381.28 mi (8,660.33 km) |
| Gresham to Combs-la-Ville | 5,135.62 mi (8,264.97 km) |
| Gresham to Comines | 5,031.64 mi (8,097.64 km) |
| Gresham to Compiegne | 5,101.39 mi (8,209.90 km) |
| Gresham to Concarneau | 4,993.31 mi (8,035.96 km) |
| Gresham to Conde-sur-l'Escaut | 5,064.16 mi (8,149.98 km) |
| Gresham to Conflans-Sainte-Honorine | 5,104.83 mi (8,215.42 km) |
| Gresham to Corbas | 5,368.23 mi (8,639.32 km) |
| Gresham to Corbeil-Essonnes | 5,136.60 mi (8,266.56 km) |
| Gresham to Cormeilles-en-Parisis | 5,109.03 mi (8,222.19 km) |
| Gresham to Cosne sur Loire | 5,215.68 mi (8,393.83 km) |
