| Didcot to Rury | 1,019.39 mi (1,640.54 km) |
| Didcot to Rybnik | 867.10 mi (1,395.47 km) |
| Didcot to Ryki | 989.96 mi (1,593.19 km) |
| Didcot to Rypin | 876.23 mi (1,410.16 km) |
| Didcot to Rzeszow | 1,015.93 mi (1,634.99 km) |
| Didcot to Sandomierz | 994.48 mi (1,600.46 km) |
| Didcot to Sanok | 1,034.42 mi (1,664.74 km) |
| Didcot to Sedziszow Malopolski | 1,002.48 mi (1,613.34 km) |
| Didcot to Sepolno Krajenskie | 796.84 mi (1,282.40 km) |
| Didcot to Sidlice | 844.55 mi (1,359.17 km) |
| Didcot to Siechnice | 793.10 mi (1,276.38 km) |
| Didcot to Siedlce | 999.07 mi (1,607.86 km) |
| Didcot to Siemianowice Slaskie | 882.54 mi (1,420.31 km) |
| Didcot to Siemiatycze | 1,021.74 mi (1,644.33 km) |
| Didcot to Sieradz | 855.22 mi (1,376.34 km) |
