| Clarksville to Busto Arsizio | 4,738.61 mi (7,626.05 km) |
| Clarksville to Busto Garolfo | 4,742.33 mi (7,632.05 km) |
| Clarksville to Cabras | 4,931.40 mi (7,936.32 km) |
| Clarksville to Cadelbosco di Sopra | 4,841.71 mi (7,791.98 km) |
| Clarksville to Cadoneghe | 4,871.19 mi (7,839.42 km) |
| Clarksville to Cagli | 4,972.70 mi (8,002.79 km) |
| Clarksville to Cagliari | 4,983.66 mi (8,020.43 km) |
| Clarksville to Cairo Montenotte | 4,757.21 mi (7,655.98 km) |
| Clarksville to Caivano | 5,143.99 mi (8,278.45 km) |
| Clarksville to Calcinaia | 4,882.50 mi (7,857.62 km) |
| Clarksville to Calcinato | 4,808.69 mi (7,738.85 km) |
| Clarksville to Calderara di Reno | 4,876.77 mi (7,848.40 km) |
| Clarksville to Caldogno | 4,847.71 mi (7,801.64 km) |
| Clarksville to Calenzano | 4,898.75 mi (7,883.78 km) |
| Clarksville to Calolziocorte | 4,755.93 mi (7,653.93 km) |
