| Didcot to Sangeorgiu de Mures | 1,207.62 mi (1,943.47 km) |
| Didcot to Sangeorz-Bai | 1,192.76 mi (1,919.56 km) |
| Didcot to Sannicolau Mare | 1,060.12 mi (1,706.10 km) |
| Didcot to Santana | 1,088.01 mi (1,750.98 km) |
| Didcot to Satu Mare | 1,104.66 mi (1,777.78 km) |
| Didcot to Scobinti | 1,288.95 mi (2,074.37 km) |
| Didcot to Scornicesti | 1,277.32 mi (2,055.65 km) |
| Didcot to Sebes | 1,188.14 mi (1,912.13 km) |
| Didcot to Seini | 1,122.71 mi (1,806.83 km) |
| Didcot to Sfantu-Gheorghe | 1,285.42 mi (2,068.69 km) |
| Didcot to Sibiu | 1,218.27 mi (1,960.61 km) |
| Didcot to Sighetu Marmatiei | 1,143.93 mi (1,840.97 km) |
| Didcot to Sighisoara | 1,231.76 mi (1,982.33 km) |
| Didcot to Simeria | 1,168.09 mi (1,879.85 km) |
| Didcot to Sinaia | 1,292.32 mi (2,079.79 km) |
