| Stevenage to Sinop | 1,779.43 mi (2,863.71 km) |
| Stevenage to Siran | 2,021.51 mi (3,253.30 km) |
| Stevenage to Sirnak | 2,276.50 mi (3,663.68 km) |
| Stevenage to Sirvan | 2,234.46 mi (3,596.01 km) |
| Stevenage to Sivas | 1,951.16 mi (3,140.09 km) |
| Stevenage to Sivasli | 1,706.91 mi (2,747.01 km) |
| Stevenage to Siverek | 2,134.45 mi (3,435.06 km) |
| Stevenage to Sivrice | 2,103.51 mi (3,385.27 km) |
| Stevenage to Sivrihisar | 1,737.45 mi (2,796.16 km) |
| Stevenage to Sogut | 1,657.00 mi (2,666.68 km) |
| Stevenage to Sogutlu | 1,631.00 mi (2,624.85 km) |
| Stevenage to Soke | 1,652.93 mi (2,660.13 km) |
| Stevenage to Solhan | 2,154.28 mi (3,466.98 km) |
| Stevenage to Soma | 1,591.78 mi (2,561.73 km) |
| Stevenage to Sorgun | 1,872.12 mi (3,012.88 km) |
