| Waltham to Jeffersontown (Kentucky) | 807.23 mi (1,299.10 km) |
| Waltham to Jeffersonville (Indiana) | 809.84 mi (1,303.31 km) |
| Waltham to Jenison (Michigan) | 741.13 mi (1,192.73 km) |
| Waltham to Jenks (Oklahoma) | 1,390.10 mi (2,237.15 km) |
| Waltham to Jennings (Missouri) | 1,027.77 mi (1,654.03 km) |
| Waltham to Jensen Beach (Florida) | 1,162.64 mi (1,871.10 km) |
| Waltham to Jericho (New York) | 162.35 mi (261.28 km) |
| Waltham to Jerome (Idaho) | 2,178.01 mi (3,505.16 km) |
| Waltham to Jersey City (New Jersey) | 186.20 mi (299.66 km) |
| Waltham to Jessup (Maryland) | 365.93 mi (588.90 km) |
| Waltham to Johns Creek (Georgia) | 908.32 mi (1,461.79 km) |
| Waltham to Johnson City (New York) | 242.05 mi (389.54 km) |
| Waltham to Johnson City (Tennessee) | 726.08 mi (1,168.52 km) |
| Waltham to Johnston (Iowa) | 1,151.24 mi (1,852.74 km) |
| Waltham to Johnstown (Colorado) | 1,741.91 mi (2,803.34 km) |
