| Waltham to Sestu | 4,039.82 mi (6,501.46 km) |
| Waltham to Settimo Torinese | 3,782.84 mi (6,087.89 km) |
| Waltham to Seveso | 3,825.48 mi (6,156.52 km) |
| Waltham to Sezze | 4,138.44 mi (6,660.17 km) |
| Waltham to Siano | 4,235.76 mi (6,816.80 km) |
| Waltham to Siena | 3,997.87 mi (6,433.95 km) |
| Waltham to Signa | 3,971.79 mi (6,391.98 km) |
| Waltham to Silea | 3,959.18 mi (6,371.69 km) |
| Waltham to Silvi Paese | 4,145.99 mi (6,672.33 km) |
| Waltham to Sinalunga | 4,018.87 mi (6,467.75 km) |
| Waltham to Siniscola | 4,021.72 mi (6,472.34 km) |
| Waltham to Sinnai | 4,044.79 mi (6,509.45 km) |
| Waltham to Siracusa | 4,405.79 mi (7,090.44 km) |
| Waltham to Solaro | 3,824.11 mi (6,154.31 km) |
| Waltham to Soliera | 3,931.79 mi (6,327.60 km) |
