| Swindon to Sereflikochisar | 1,901.46 mi (3,060.11 km) |
| Swindon to Serik | 1,892.47 mi (3,045.63 km) |
| Swindon to Serinhisar | 1,787.41 mi (2,876.56 km) |
| Swindon to Serinyol | 2,127.53 mi (3,423.93 km) |
| Swindon to Seydisehir | 1,899.72 mi (3,057.30 km) |
| Swindon to Seyhan | 2,063.32 mi (3,320.59 km) |
| Swindon to Seyitgazi | 1,761.18 mi (2,834.34 km) |
| Swindon to Siirt | 2,300.81 mi (3,702.80 km) |
| Swindon to Sile | 1,642.81 mi (2,643.84 km) |
| Swindon to Silifke | 2,033.34 mi (3,272.35 km) |
| Swindon to Silivri | 1,590.27 mi (2,559.29 km) |
| Swindon to Silopi | 2,352.49 mi (3,785.97 km) |
| Swindon to Simav | 1,706.88 mi (2,746.96 km) |
| Swindon to Sinanpasa | 1,773.64 mi (2,854.40 km) |
| Swindon to Sindirgi | 1,666.93 mi (2,682.66 km) |
