| Waltham to Stony Brook (New York) | 141.32 mi (227.43 km) |
| Waltham to Storm Lake (Iowa) | 1,215.94 mi (1,956.87 km) |
| Waltham to Storrs (Connecticut) | 65.46 mi (105.35 km) |
| Waltham to Stoughton (Wisconsin) | 912.64 mi (1,468.76 km) |
| Waltham to Stow (Ohio) | 531.41 mi (855.23 km) |
| Waltham to Streamwood (Illinois) | 865.71 mi (1,393.23 km) |
| Waltham to Streator (Illinois) | 909.05 mi (1,462.98 km) |
| Waltham to Streetsboro (Ohio) | 525.98 mi (846.48 km) |
| Waltham to Strongsville (Ohio) | 549.66 mi (884.59 km) |
| Waltham to Stuart (Florida) | 1,165.72 mi (1,876.05 km) |
| Waltham to Stuarts Draft (Virginia) | 509.83 mi (820.49 km) |
| Waltham to Sturgis (Michigan) | 727.11 mi (1,170.17 km) |
| Waltham to Suamico (Wisconsin) | 855.68 mi (1,377.08 km) |
| Waltham to Sudley (Virginia) | 411.61 mi (662.42 km) |
| Waltham to Suffern (New York) | 173.50 mi (279.21 km) |
