| Humacao to Cognac | 4,153.47 mi (6,684.36 km) |
| Humacao to Cogolin | 4,488.04 mi (7,222.80 km) |
| Humacao to Colmar | 4,521.87 mi (7,277.24 km) |
| Humacao to Colombes | 4,290.35 mi (6,904.65 km) |
| Humacao to Colomiers | 4,227.52 mi (6,803.53 km) |
| Humacao to Combs-la-Ville | 4,303.14 mi (6,925.24 km) |
| Humacao to Comines | 4,333.35 mi (6,973.86 km) |
| Humacao to Compiegne | 4,318.44 mi (6,949.85 km) |
| Humacao to Concarneau | 4,001.17 mi (6,439.26 km) |
| Humacao to Conde-sur-l'Escaut | 4,357.29 mi (7,012.39 km) |
| Humacao to Conflans-Sainte-Honorine | 4,283.77 mi (6,894.06 km) |
| Humacao to Corbas | 4,405.64 mi (7,090.20 km) |
| Humacao to Corbeil-Essonnes | 4,299.34 mi (6,919.11 km) |
| Humacao to Cormeilles-en-Parisis | 4,288.30 mi (6,901.35 km) |
| Humacao to Cosne sur Loire | 4,315.07 mi (6,944.43 km) |
