| Glen Carbon to Cognac | 4,364.76 mi (7,024.41 km) |
| Glen Carbon to Cogolin | 4,741.18 mi (7,630.20 km) |
| Glen Carbon to Colmar | 4,592.36 mi (7,390.68 km) |
| Glen Carbon to Colombes | 4,361.95 mi (7,019.88 km) |
| Glen Carbon to Colomiers | 4,507.56 mi (7,254.21 km) |
| Glen Carbon to Combs-la-Ville | 4,382.74 mi (7,053.33 km) |
| Glen Carbon to Comines | 4,329.96 mi (6,968.39 km) |
| Glen Carbon to Compiegne | 4,367.90 mi (7,029.46 km) |
| Glen Carbon to Concarneau | 4,144.55 mi (6,670.01 km) |
| Glen Carbon to Conde-sur-l'Escaut | 4,362.76 mi (7,021.18 km) |
| Glen Carbon to Conflans-Sainte-Honorine | 4,353.31 mi (7,005.97 km) |
| Glen Carbon to Corbas | 4,583.22 mi (7,375.98 km) |
| Glen Carbon to Corbeil-Essonnes | 4,381.54 mi (7,051.40 km) |
| Glen Carbon to Cormeilles-en-Parisis | 4,358.24 mi (7,013.91 km) |
| Glen Carbon to Cosne sur Loire | 4,440.62 mi (7,146.49 km) |
