| Glastonbury to Sinop | 1,880.82 mi (3,026.89 km) |
| Glastonbury to Siran | 2,123.38 mi (3,417.25 km) |
| Glastonbury to Sirnak | 2,377.23 mi (3,825.78 km) |
| Glastonbury to Sirvan | 2,335.61 mi (3,758.81 km) |
| Glastonbury to Sivas | 2,049.98 mi (3,299.12 km) |
| Glastonbury to Sivasli | 1,792.41 mi (2,884.61 km) |
| Glastonbury to Siverek | 2,232.15 mi (3,592.30 km) |
| Glastonbury to Sivrice | 2,202.45 mi (3,544.51 km) |
| Glastonbury to Sivrihisar | 1,828.43 mi (2,942.57 km) |
| Glastonbury to Sogut | 1,747.30 mi (2,812.01 km) |
| Glastonbury to Sogutlu | 1,724.04 mi (2,774.57 km) |
| Glastonbury to Soke | 1,732.13 mi (2,787.59 km) |
| Glastonbury to Solhan | 2,255.95 mi (3,630.61 km) |
| Glastonbury to Soma | 1,675.38 mi (2,696.27 km) |
| Glastonbury to Sorgun | 1,968.91 mi (3,168.66 km) |
