| Didcot to Creutzwald | 386.60 mi (622.17 km) |
| Didcot to Croissy-sur-Seine | 240.53 mi (387.10 km) |
| Didcot to Croix | 200.85 mi (323.23 km) |
| Didcot to Crosne | 258.31 mi (415.71 km) |
| Didcot to Cuers | 670.92 mi (1,079.73 km) |
| Didcot to Cugnaux | 570.23 mi (917.70 km) |
| Didcot to Cusset | 433.95 mi (698.37 km) |
| Didcot to Dammarie-le-Lys | 274.09 mi (441.10 km) |
| Didcot to Dammartin-en-Goele | 246.95 mi (397.42 km) |
| Didcot to Dardilly | 484.73 mi (780.10 km) |
| Didcot to Darnetal | 182.57 mi (293.82 km) |
| Didcot to Dax | 545.63 mi (878.11 km) |
| Didcot to Decines-Charpieu | 492.17 mi (792.07 km) |
| Didcot to Denain | 220.14 mi (354.27 km) |
| Didcot to Deuil-la-Barre | 240.38 mi (386.86 km) |
