| Glastonbury to Smyrna (Delaware) | 3,489.67 mi (5,616.08 km) |
| Glastonbury to Smyrna (Georgia) | 4,107.95 mi (6,611.11 km) |
| Glastonbury to Smyrna (Tennessee) | 4,089.92 mi (6,582.09 km) |
| Glastonbury to Snellville (Georgia) | 4,087.05 mi (6,577.48 km) |
| Glastonbury to Snoqualmie (Washington) | 4,725.35 mi (7,604.72 km) |
| Glastonbury to Snyder (Texas) | 4,821.36 mi (7,759.23 km) |
| Glastonbury to Socastee (South Carolina) | 3,886.25 mi (6,254.32 km) |
| Glastonbury to Socorro (Texas) | 5,080.83 mi (8,176.81 km) |
| Glastonbury to Soddy-Daisy (Tennessee) | 4,068.54 mi (6,547.69 km) |
| Glastonbury to Solana Beach (California) | 5,398.88 mi (8,688.66 km) |
| Glastonbury to Soledad (California) | 5,336.93 mi (8,588.96 km) |
| Glastonbury to Solon (Ohio) | 3,636.74 mi (5,852.77 km) |
| Glastonbury to Somers Point (New Jersey) | 3,446.98 mi (5,547.39 km) |
| Glastonbury to Somerset (Kentucky) | 3,959.60 mi (6,372.36 km) |
| Glastonbury to Somerset (New Jersey) | 3,391.49 mi (5,458.08 km) |
