| Douglas to Carovigno | 1,454.07 mi (2,340.10 km) |
| Douglas to Carpenedolo | 968.17 mi (1,558.12 km) |
| Douglas to Carpi | 1,009.33 mi (1,624.36 km) |
| Douglas to Carrara | 1,008.15 mi (1,622.46 km) |
| Douglas to Carugate | 917.10 mi (1,475.93 km) |
| Douglas to Casal di Principe | 1,301.79 mi (2,095.02 km) |
| Douglas to Casale Monferrato | 899.64 mi (1,447.82 km) |
| Douglas to Casale sul Sile | 1,036.23 mi (1,667.65 km) |
| Douglas to Casalecchio di Reno | 1,037.45 mi (1,669.61 km) |
| Douglas to Casalgrande | 1,011.58 mi (1,627.97 km) |
| Douglas to Casalmaggiore | 982.54 mi (1,581.25 km) |
| Douglas to Casalnuovo di Napoli | 1,314.77 mi (2,115.92 km) |
| Douglas to Casalpusterlengo | 944.52 mi (1,520.05 km) |
| Douglas to Casaluce | 1,305.12 mi (2,100.39 km) |
| Douglas to Casamassima | 1,413.11 mi (2,274.18 km) |
