| Guymon to Cognac | 4,931.85 mi (7,937.05 km) |
| Guymon to Cogolin | 5,304.30 mi (8,536.45 km) |
| Guymon to Colmar | 5,129.28 mi (8,254.78 km) |
| Guymon to Colombes | 4,906.51 mi (7,896.26 km) |
| Guymon to Colomiers | 5,080.97 mi (8,177.03 km) |
| Guymon to Combs-la-Ville | 4,928.00 mi (7,930.85 km) |
| Guymon to Comines | 4,862.32 mi (7,825.15 km) |
| Guymon to Compiegne | 4,908.43 mi (7,899.35 km) |
| Guymon to Concarneau | 4,707.76 mi (7,576.40 km) |
| Guymon to Conde-sur-l'Escaut | 4,895.60 mi (7,878.71 km) |
| Guymon to Conflans-Sainte-Honorine | 4,897.80 mi (7,882.24 km) |
| Guymon to Corbas | 5,138.70 mi (8,269.94 km) |
| Guymon to Corbeil-Essonnes | 4,927.28 mi (7,929.70 km) |
| Guymon to Cormeilles-en-Parisis | 4,902.64 mi (7,890.04 km) |
| Guymon to Cosne sur Loire | 4,991.82 mi (8,033.56 km) |
