| Waltham to Solofra | 4,241.44 mi (6,825.93 km) |
| Waltham to Somma Lombardo | 3,805.49 mi (6,124.35 km) |
| Waltham to Somma Vesuviana | 4,221.83 mi (6,794.37 km) |
| Waltham to Sommacampagna | 3,906.48 mi (6,286.87 km) |
| Waltham to Sona | 3,904.66 mi (6,283.95 km) |
| Waltham to Sondrio | 3,839.71 mi (6,179.41 km) |
| Waltham to Sora | 4,154.65 mi (6,686.26 km) |
| Waltham to Sorbolo | 3,907.75 mi (6,288.92 km) |
| Waltham to Soresina | 3,867.85 mi (6,224.71 km) |
| Waltham to Sorisole | 3,844.60 mi (6,187.28 km) |
| Waltham to Sorrento | 4,228.19 mi (6,804.62 km) |
| Waltham to Sorso | 3,963.38 mi (6,378.44 km) |
| Waltham to Sortino | 4,390.44 mi (7,065.73 km) |
| Waltham to Soverato Marina | 4,399.04 mi (7,079.57 km) |
| Waltham to Sovicille | 3,994.82 mi (6,429.03 km) |
