| Cities | Distance |
|---|---|
| Didcot to Rhosllanerchrugog | 123.59 mi (198.90 km) |
| Didcot to Rhyl | 151.39 mi (243.64 km) |
| Didcot to Rhymney | 88.11 mi (141.80 km) |
| Didcot to Richmond | 41.71 mi (67.13 km) |
| Didcot to Rickmansworth | 33.32 mi (53.63 km) |
| Didcot to Ripley | 100.02 mi (160.96 km) |
| Didcot to Ripon | 175.34 mi (282.18 km) |
| Didcot to Risca | 79.38 mi (127.75 km) |
| Didcot to Rochdale | 143.98 mi (231.71 km) |
| Didcot to Rochester | 76.58 mi (123.24 km) |
| Didcot to Rock Ferry | 142.93 mi (230.02 km) |
| Didcot to Rogerstone | 77.80 mi (125.21 km) |
| Didcot to Romford | 61.03 mi (98.22 km) |
| Didcot to Romsey | 44.04 mi (70.87 km) |
| Didcot to Ross on Wye | 61.37 mi (98.76 km) |