| Waltham to Scottsbluff (Nebraska) | 1,651.48 mi (2,657.81 km) |
| Waltham to Scottsboro (Alabama) | 960.67 mi (1,546.05 km) |
| Waltham to Scottsdale (Arizona) | 2,267.57 mi (3,649.30 km) |
| Waltham to Scranton (Pennsylvania) | 237.37 mi (382.02 km) |
| Waltham to Seabrook (Maryland) | 376.42 mi (605.78 km) |
| Waltham to Seabrook (Texas) | 1,588.64 mi (2,556.67 km) |
| Waltham to Seaford (New York) | 166.37 mi (267.75 km) |
| Waltham to Seagoville (Texas) | 1,533.19 mi (2,467.43 km) |
| Waltham to Seal Beach (California) | 2,582.07 mi (4,155.44 km) |
| Waltham to Searcy (Arkansas) | 1,204.66 mi (1,938.72 km) |
| Waltham to Seaside (California) | 2,685.51 mi (4,321.91 km) |
| Waltham to SeaTac (Washington) | 2,476.88 mi (3,986.15 km) |
| Waltham to Seattle (Washington) | 2,475.71 mi (3,984.27 km) |
| Waltham to Sebastian (Florida) | 1,134.71 mi (1,826.13 km) |
| Waltham to Sebring (Florida) | 1,179.45 mi (1,898.14 km) |
