| Huntsville to Cividale del Friuli | 4,968.75 mi (7,996.43 km) |
| Huntsville to Civita Castellana | 5,064.31 mi (8,150.22 km) |
| Huntsville to Civitanova Marche | 5,083.98 mi (8,181.88 km) |
| Huntsville to Civitavecchia | 5,044.96 mi (8,119.08 km) |
| Huntsville to Civitella in Val di Chiana | 4,993.75 mi (8,036.67 km) |
| Huntsville to Clusone | 4,832.46 mi (7,777.10 km) |
| Huntsville to Coccaglio | 4,844.59 mi (7,796.62 km) |
| Huntsville to Codigoro | 4,959.90 mi (7,982.19 km) |
| Huntsville to Codogno | 4,846.88 mi (7,800.29 km) |
| Huntsville to Codroipo | 4,955.14 mi (7,974.53 km) |
| Huntsville to Cogoleto | 4,827.89 mi (7,769.74 km) |
| Huntsville to Colle di Val d'Elsa | 4,969.30 mi (7,997.32 km) |
| Huntsville to Colle Salvetti | 4,934.24 mi (7,940.90 km) |
| Huntsville to Collecchio | 4,882.69 mi (7,857.92 km) |
| Huntsville to Colleferro | 5,111.41 mi (8,226.02 km) |
