| Didcot to Santa Ursula | 1,785.20 mi (2,873.00 km) |
| Didcot to Santander | 575.12 mi (925.56 km) |
| Didcot to Santany | 872.17 mi (1,403.62 km) |
| Didcot to Santiago de Compostela | 692.77 mi (1,114.91 km) |
| Didcot to Santiago del Teide | 1,800.90 mi (2,898.26 km) |
| Didcot to Santiponce | 1,006.71 mi (1,620.15 km) |
| Didcot to Santomera | 935.87 mi (1,506.13 km) |
| Didcot to Santona | 573.45 mi (922.87 km) |
| Didcot to Santurce-Antiguo | 577.83 mi (929.93 km) |
| Didcot to Sarria | 674.45 mi (1,085.41 km) |
| Didcot to Sauzal | 1,780.43 mi (2,865.32 km) |
| Didcot to Sedavi | 842.48 mi (1,355.85 km) |
| Didcot to Segorbe | 812.93 mi (1,308.28 km) |
| Didcot to Segovia | 748.94 mi (1,205.31 km) |
| Didcot to Senmanat | 708.90 mi (1,140.87 km) |
