| Humacao to Castrovillari | 5,008.83 mi (8,060.94 km) |
| Humacao to Catania | 4,975.85 mi (8,007.86 km) |
| Humacao to Catanzaro | 5,040.47 mi (8,111.85 km) |
| Humacao to Cattolica | 4,794.37 mi (7,715.80 km) |
| Humacao to Cava de' Tirreni | 4,921.38 mi (7,920.20 km) |
| Humacao to Cavallino | 5,107.10 mi (8,219.08 km) |
| Humacao to Cavarzere | 4,754.99 mi (7,652.41 km) |
| Humacao to Cave | 4,820.45 mi (7,757.76 km) |
| Humacao to Cavriago | 4,681.77 mi (7,534.57 km) |
| Humacao to Cavriglia | 4,735.18 mi (7,620.53 km) |
| Humacao to Cazzago San Martino | 4,653.26 mi (7,488.70 km) |
| Humacao to Ceccano | 4,842.99 mi (7,794.04 km) |
| Humacao to Cecina | 4,687.99 mi (7,544.58 km) |
| Humacao to Cefalu | 4,912.15 mi (7,905.35 km) |
| Humacao to Ceglie Messapico | 5,066.83 mi (8,154.28 km) |
