| Douglas to Cosenza | 1,464.53 mi (2,356.93 km) |
| Douglas to Cossato | 870.44 mi (1,400.85 km) |
| Douglas to Costa Volpino | 936.90 mi (1,507.80 km) |
| Douglas to Creazzo | 1,004.09 mi (1,615.92 km) |
| Douglas to Crema | 938.26 mi (1,509.98 km) |
| Douglas to Cremona | 961.48 mi (1,547.35 km) |
| Douglas to Crevalcore | 1,022.63 mi (1,645.77 km) |
| Douglas to Crispiano | 1,441.49 mi (2,319.85 km) |
| Douglas to Crosia | 1,471.52 mi (2,368.18 km) |
| Douglas to Crotone | 1,508.17 mi (2,427.16 km) |
| Douglas to Cuneo | 897.71 mi (1,444.72 km) |
| Douglas to Cuorgne | 857.65 mi (1,380.26 km) |
| Douglas to Cusano Milanino | 911.15 mi (1,466.36 km) |
| Douglas to Cutro | 1,505.46 mi (2,422.80 km) |
| Douglas to Cutrofiano | 1,501.73 mi (2,416.81 km) |
