| Northampton to Sinop | 1,811.83 mi (2,915.85 km) |
| Northampton to Siran | 2,053.71 mi (3,305.13 km) |
| Northampton to Sirnak | 2,309.00 mi (3,715.97 km) |
| Northampton to Sirvan | 2,266.83 mi (3,648.12 km) |
| Northampton to Sivas | 1,984.22 mi (3,193.29 km) |
| Northampton to Sivasli | 1,742.48 mi (2,804.24 km) |
| Northampton to Siverek | 2,167.75 mi (3,488.65 km) |
| Northampton to Sivrice | 2,136.51 mi (3,438.38 km) |
| Northampton to Sivrihisar | 1,772.20 mi (2,852.08 km) |
| Northampton to Sogut | 1,691.87 mi (2,722.80 km) |
| Northampton to Sogutlu | 1,665.40 mi (2,680.20 km) |
| Northampton to Soke | 1,689.19 mi (2,718.49 km) |
| Northampton to Solhan | 2,186.52 mi (3,518.87 km) |
| Northampton to Soma | 1,627.61 mi (2,619.38 km) |
| Northampton to Sorgun | 1,905.68 mi (3,066.90 km) |
