| Waltham to Jacksonville (North Carolina) | 624.55 mi (1,005.12 km) |
| Waltham to Jacksonville (Texas) | 1,498.23 mi (2,411.17 km) |
| Waltham to Jacksonville Beach (Florida) | 1,008.31 mi (1,622.72 km) |
| Waltham to James Island (South Carolina) | 818.62 mi (1,317.43 km) |
| Waltham to Jamestown (New York) | 409.25 mi (658.63 km) |
| Waltham to Jamestown (North Dakota) | 1,377.41 mi (2,216.73 km) |
| Waltham to Janesville (Wisconsin) | 903.31 mi (1,453.73 km) |
| Waltham to Jasmine Estates (Florida) | 1,165.82 mi (1,876.20 km) |
| Waltham to Jasper (Alabama) | 1,049.40 mi (1,688.84 km) |
| Waltham to Jasper (Indiana) | 869.46 mi (1,399.26 km) |
| Waltham to Jefferson (Georgia) | 878.49 mi (1,413.80 km) |
| Waltham to Jefferson (Louisiana) | 1,354.66 mi (2,180.12 km) |
| Waltham to Jefferson City (Missouri) | 1,128.27 mi (1,815.77 km) |
| Waltham to Jefferson Hills (Pennsylvania) | 473.26 mi (761.64 km) |
| Waltham to Jefferson Valley-Yorktown (New York) | 151.03 mi (243.06 km) |
