| Douglas to Busto Garolfo | 899.51 mi (1,447.61 km) |
| Douglas to Cabras | 1,154.95 mi (1,858.71 km) |
| Douglas to Cadelbosco di Sopra | 998.78 mi (1,607.38 km) |
| Douglas to Cadoneghe | 1,025.50 mi (1,650.38 km) |
| Douglas to Cagli | 1,130.53 mi (1,819.41 km) |
| Douglas to Cagliari | 1,212.25 mi (1,950.93 km) |
| Douglas to Cairo Montenotte | 923.91 mi (1,486.90 km) |
| Douglas to Caivano | 1,311.30 mi (2,110.33 km) |
| Douglas to Calcinaia | 1,045.38 mi (1,682.37 km) |
| Douglas to Calcinato | 963.85 mi (1,551.17 km) |
| Douglas to Calderara di Reno | 1,033.37 mi (1,663.05 km) |
| Douglas to Caldogno | 1,002.03 mi (1,612.61 km) |
| Douglas to Calenzano | 1,058.76 mi (1,703.91 km) |
| Douglas to Calolziocorte | 911.34 mi (1,466.65 km) |
| Douglas to Caltagirone | 1,504.60 mi (2,421.42 km) |
