| Didcot to Redon | 275.83 mi (443.90 km) |
| Didcot to Reims | 282.94 mi (455.35 km) |
| Didcot to Rennes | 242.01 mi (389.48 km) |
| Didcot to Revel | 582.78 mi (937.89 km) |
| Didcot to Reze | 305.35 mi (491.42 km) |
| Didcot to Riedisheim | 467.66 mi (752.63 km) |
| Didcot to Rillieux-la-Pape | 487.56 mi (784.64 km) |
| Didcot to Riom | 441.52 mi (710.56 km) |
| Didcot to Riorges | 453.02 mi (729.06 km) |
| Didcot to Ris-Orangis | 260.41 mi (419.08 km) |
| Didcot to Rive-de-Gier | 497.64 mi (800.88 km) |
| Didcot to Rivesaltes | 640.16 mi (1,030.24 km) |
| Didcot to Rixheim | 469.03 mi (754.82 km) |
| Didcot to Roanne | 454.06 mi (730.74 km) |
| Didcot to Roche-la-Moliere | 496.37 mi (798.83 km) |
