| Didcot to Sabadell | 712.68 mi (1,146.95 km) |
| Didcot to Sabinanigo | 629.22 mi (1,012.63 km) |
| Didcot to Sagunto | 825.56 mi (1,328.61 km) |
| Didcot to Salamanca | 764.59 mi (1,230.48 km) |
| Didcot to Salobrena | 1,033.10 mi (1,662.61 km) |
| Didcot to Salou | 735.95 mi (1,184.40 km) |
| Didcot to Salt | 691.84 mi (1,113.42 km) |
| Didcot to Salvatierra de Mino | 741.15 mi (1,192.77 km) |
| Didcot to Sama | 609.97 mi (981.66 km) |
| Didcot to San Adrian de Besos | 721.82 mi (1,161.66 km) |
| Didcot to San Agustin de Guadalix | 763.44 mi (1,228.64 km) |
| Didcot to San Andres de la Barca | 718.15 mi (1,155.75 km) |
| Didcot to San Andres de Llevaneras | 715.14 mi (1,150.91 km) |
| Didcot to San Andres del Rabanedo | 653.75 mi (1,052.10 km) |
| Didcot to San Bartolome | 1,797.08 mi (2,892.13 km) |
