| Didcot to Solofra | 1,065.95 mi (1,715.49 km) |
| Didcot to Somma Lombardo | 610.11 mi (981.87 km) |
| Didcot to Somma Vesuviana | 1,049.98 mi (1,689.79 km) |
| Didcot to Sommacampagna | 698.69 mi (1,124.43 km) |
| Didcot to Sona | 696.54 mi (1,120.98 km) |
| Didcot to Sondrio | 628.09 mi (1,010.81 km) |
| Didcot to Sora | 977.95 mi (1,573.86 km) |
| Didcot to Sorbolo | 710.98 mi (1,144.21 km) |
| Didcot to Soresina | 669.06 mi (1,076.75 km) |
| Didcot to Sorisole | 640.44 mi (1,030.68 km) |
| Didcot to Sorrento | 1,060.93 mi (1,707.40 km) |
| Didcot to Sorso | 880.33 mi (1,416.76 km) |
| Didcot to Sortino | 1,275.00 mi (2,051.92 km) |
| Didcot to Soverato Marina | 1,238.14 mi (1,992.60 km) |
| Didcot to Sovicille | 816.69 mi (1,314.34 km) |
