| Didcot to Castrovillari | 1,165.49 mi (1,875.67 km) |
| Didcot to Catania | 1,257.58 mi (2,023.87 km) |
| Didcot to Catanzaro | 1,228.07 mi (1,976.38 km) |
| Didcot to Cattolica | 833.92 mi (1,342.06 km) |
| Didcot to Cava de' Tirreni | 1,067.95 mi (1,718.70 km) |
| Didcot to Cavallino | 1,209.99 mi (1,947.29 km) |
| Didcot to Cavarzere | 755.55 mi (1,215.94 km) |
| Didcot to Cave | 949.94 mi (1,528.78 km) |
| Didcot to Cavriago | 721.09 mi (1,160.49 km) |
| Didcot to Cavriglia | 812.94 mi (1,308.30 km) |
| Didcot to Cazzago San Martino | 660.81 mi (1,063.48 km) |
| Didcot to Ceccano | 976.42 mi (1,571.39 km) |
| Didcot to Cecina | 791.65 mi (1,274.04 km) |
| Didcot to Cefalu | 1,194.39 mi (1,922.19 km) |
| Didcot to Ceglie Messapico | 1,167.99 mi (1,879.70 km) |
