| Waltham to San Luis (Arizona) | 2,451.69 mi (3,945.62 km) |
| Waltham to San Luis Obispo (California) | 2,667.28 mi (4,292.58 km) |
| Waltham to San Marcos (California) | 2,556.26 mi (4,113.90 km) |
| Waltham to San Marcos (Texas) | 1,711.59 mi (2,754.54 km) |
| Waltham to San Marino (California) | 2,572.56 mi (4,140.13 km) |
| Waltham to San Mateo (California) | 2,684.01 mi (4,319.49 km) |
| Waltham to San Pablo (California) | 2,674.26 mi (4,303.80 km) |
| Waltham to San Rafael (California) | 2,682.49 mi (4,317.06 km) |
| Waltham to San Ramon (California) | 2,659.38 mi (4,279.85 km) |
| Waltham to San Tan Valley (Arizona) | 2,268.56 mi (3,650.90 km) |
| Waltham to Sand Springs (Oklahoma) | 1,393.74 mi (2,243.01 km) |
| Waltham to Sandusky (Ohio) | 592.32 mi (953.24 km) |
| Waltham to Sandy (Oregon) | 2,506.34 mi (4,033.57 km) |
| Waltham to Sandy (Utah) | 2,085.73 mi (3,356.66 km) |
| Waltham to Sandy Springs (Georgia) | 919.89 mi (1,480.42 km) |
