| Douglas to Civita Castellana | 1,176.52 mi (1,893.42 km) |
| Douglas to Civitanova Marche | 1,184.05 mi (1,905.54 km) |
| Douglas to Civitavecchia | 1,162.34 mi (1,870.60 km) |
| Douglas to Civitella in Val di Chiana | 1,099.67 mi (1,769.75 km) |
| Douglas to Clusone | 928.90 mi (1,494.92 km) |
| Douglas to Coccaglio | 942.29 mi (1,516.47 km) |
| Douglas to Codigoro | 1,056.67 mi (1,700.54 km) |
| Douglas to Codogno | 947.41 mi (1,524.71 km) |
| Douglas to Codroipo | 1,049.72 mi (1,689.35 km) |
| Douglas to Cogoleto | 938.80 mi (1,510.85 km) |
| Douglas to Colle di Val d'Elsa | 1,077.79 mi (1,734.53 km) |
| Douglas to Colle Salvetti | 1,043.91 mi (1,680.01 km) |
| Douglas to Collecchio | 984.33 mi (1,584.13 km) |
| Douglas to Colleferro | 1,225.65 mi (1,972.50 km) |
| Douglas to Collegno | 867.92 mi (1,396.79 km) |
