| Didcot to Santa Venerina | 1,248.42 mi (2,009.14 km) |
| Didcot to Santeramo in Colle | 1,134.20 mi (1,825.32 km) |
| Didcot to Santo Stefano di Magra | 727.66 mi (1,171.06 km) |
| Didcot to Santo Stino di Livenza | 751.98 mi (1,210.20 km) |
| Didcot to Sarezzo | 663.79 mi (1,068.27 km) |
| Didcot to Sarno | 1,058.97 mi (1,704.24 km) |
| Didcot to Saronno | 624.38 mi (1,004.84 km) |
| Didcot to Sarzana | 731.67 mi (1,177.52 km) |
| Didcot to Sassari | 884.23 mi (1,423.03 km) |
| Didcot to Sasso Marconi | 760.62 mi (1,224.11 km) |
| Didcot to Sassuolo | 737.10 mi (1,186.24 km) |
| Didcot to Sava | 1,182.98 mi (1,903.83 km) |
| Didcot to Saviano | 1,050.32 mi (1,690.32 km) |
| Didcot to Savigliano | 630.34 mi (1,014.43 km) |
| Didcot to Savignano sul Panaro | 749.02 mi (1,205.43 km) |
