| Didcot to Rivalta di Torino | 605.91 mi (975.12 km) |
| Didcot to Rivarolo Canavese | 596.13 mi (959.38 km) |
| Didcot to Rivoli | 603.96 mi (971.98 km) |
| Didcot to Rocca di Papa | 945.50 mi (1,521.63 km) |
| Didcot to Rocca Priora | 946.25 mi (1,522.84 km) |
| Didcot to Roccapiemonte | 1,064.45 mi (1,713.07 km) |
| Didcot to Roccastrada | 828.96 mi (1,334.08 km) |
| Didcot to Romano di Lombardia | 654.23 mi (1,052.88 km) |
| Didcot to Rome | 931.12 mi (1,498.49 km) |
| Didcot to Roncade | 744.97 mi (1,198.91 km) |
| Didcot to Ronchi dei Legionari | 779.31 mi (1,254.18 km) |
| Didcot to Ronciglione | 901.25 mi (1,450.42 km) |
| Didcot to Rosa | 718.06 mi (1,155.60 km) |
| Didcot to Rosarno | 1,230.25 mi (1,979.90 km) |
| Didcot to Rosignano Marittimo | 785.62 mi (1,264.33 km) |
