| Humacao to Cividale del Friuli | 4,814.11 mi (7,747.56 km) |
| Humacao to Civita Castellana | 4,790.08 mi (7,708.89 km) |
| Humacao to Civitanova Marche | 4,849.05 mi (7,803.79 km) |
| Humacao to Civitavecchia | 4,760.44 mi (7,661.19 km) |
| Humacao to Civitella in Val di Chiana | 4,747.45 mi (7,640.29 km) |
| Humacao to Clusone | 4,648.47 mi (7,480.99 km) |
| Humacao to Coccaglio | 4,651.04 mi (7,485.13 km) |
| Humacao to Codigoro | 4,758.49 mi (7,658.04 km) |
| Humacao to Codogno | 4,639.35 mi (7,466.31 km) |
| Humacao to Codroipo | 4,793.29 mi (7,714.05 km) |
| Humacao to Cogoleto | 4,590.26 mi (7,387.31 km) |
| Humacao to Colle di Val d'Elsa | 4,718.39 mi (7,593.51 km) |
| Humacao to Colle Salvetti | 4,684.80 mi (7,539.46 km) |
| Humacao to Collecchio | 4,666.03 mi (7,509.25 km) |
| Humacao to Colleferro | 4,825.39 mi (7,765.71 km) |
