| Didcot to Recica | 816.59 mi (1,314.18 km) |
| Didcot to Ribnica | 831.33 mi (1,337.90 km) |
| Didcot to Ribnica | 823.04 mi (1,324.55 km) |
| Didcot to Rogaska Slatina | 848.92 mi (1,366.21 km) |
| Didcot to Rogasovci | 844.83 mi (1,359.63 km) |
| Didcot to Rogatec | 851.90 mi (1,371.00 km) |
| Didcot to Ruse | 832.84 mi (1,340.33 km) |
| Didcot to Salovci | 855.04 mi (1,376.06 km) |
| Didcot to Selnica ob Dravi | 831.54 mi (1,338.24 km) |
| Didcot to Semic | 852.43 mi (1,371.85 km) |
| Didcot to Sempeter pri Gorici | 780.84 mi (1,256.64 km) |
| Didcot to Sencur | 799.41 mi (1,286.53 km) |
| Didcot to Sentilj | 833.22 mi (1,340.94 km) |
| Didcot to Sentjernej | 851.53 mi (1,370.41 km) |
| Didcot to Sentjur | 839.64 mi (1,351.27 km) |
