| Swindon to Sinop | 1,843.39 mi (2,966.65 km) |
| Swindon to Siran | 2,085.75 mi (3,356.68 km) |
| Swindon to Sirnak | 2,340.19 mi (3,766.18 km) |
| Swindon to Sirvan | 2,298.36 mi (3,698.85 km) |
| Swindon to Sivas | 2,013.84 mi (3,240.96 km) |
| Swindon to Sivasli | 1,762.50 mi (2,836.48 km) |
| Swindon to Siverek | 2,196.58 mi (3,535.05 km) |
| Swindon to Sivrice | 2,166.27 mi (3,486.28 km) |
| Swindon to Sivrihisar | 1,795.99 mi (2,890.36 km) |
| Swindon to Sogut | 1,715.15 mi (2,760.27 km) |
| Swindon to Sogutlu | 1,690.60 mi (2,720.76 km) |
| Swindon to Soke | 1,705.07 mi (2,744.05 km) |
| Swindon to Solhan | 2,218.44 mi (3,570.23 km) |
| Swindon to Soma | 1,646.31 mi (2,649.48 km) |
| Swindon to Sorgun | 1,933.74 mi (3,112.06 km) |
