| Waltham to Somerset (New Jersey) | 212.96 mi (342.73 km) |
| Waltham to Somersworth (New Hampshire) | 62.41 mi (100.43 km) |
| Waltham to Somerton (Arizona) | 2,447.55 mi (3,938.96 km) |
| Waltham to Somerville (Massachusetts) | 7.19 mi (11.57 km) |
| Waltham to Somerville (New Jersey) | 214.86 mi (345.78 km) |
| Waltham to Sonoma (California) | 2,671.28 mi (4,299.01 km) |
| Waltham to Soquel (California) | 2,681.26 mi (4,315.07 km) |
| Waltham to South Bend (Indiana) | 771.76 mi (1,242.02 km) |
| Waltham to South Bradenton (Florida) | 1,212.54 mi (1,951.40 km) |
| Waltham to South Burlington (Vermont) | 174.26 mi (280.45 km) |
| Waltham to South Charleston (West Virginia) | 617.57 mi (993.88 km) |
| Waltham to South Daytona (Florida) | 1,063.29 mi (1,711.20 km) |
| Waltham to South El Monte (California) | 2,571.55 mi (4,138.52 km) |
| Waltham to South Elgin (Illinois) | 872.89 mi (1,404.78 km) |
| Waltham to South Euclid (Ohio) | 531.35 mi (855.13 km) |
