| Dorchester to Jeffersonville (Indiana) | 3,967.93 mi (6,385.76 km) |
| Dorchester to Jenison (Michigan) | 3,767.39 mi (6,063.03 km) |
| Dorchester to Jenks (Oklahoma) | 4,487.96 mi (7,222.67 km) |
| Dorchester to Jennings (Missouri) | 4,132.27 mi (6,650.25 km) |
| Dorchester to Jensen Beach (Florida) | 4,266.91 mi (6,866.92 km) |
| Dorchester to Jericho (New York) | 3,360.25 mi (5,407.80 km) |
| Dorchester to Jerome (Idaho) | 4,801.93 mi (7,727.96 km) |
| Dorchester to Jersey City (New Jersey) | 3,385.12 mi (5,447.83 km) |
| Dorchester to Jessup (Maryland) | 3,564.95 mi (5,737.23 km) |
| Dorchester to Johns Creek (Georgia) | 4,107.36 mi (6,610.15 km) |
| Dorchester to Johnson City (New York) | 3,405.10 mi (5,479.99 km) |
| Dorchester to Johnson City (Tennessee) | 3,923.74 mi (6,314.65 km) |
| Dorchester to Johnston (Iowa) | 4,126.43 mi (6,640.85 km) |
| Dorchester to Johnstown (Colorado) | 4,603.98 mi (7,409.39 km) |
| Dorchester to Johnstown (Pennsylvania) | 3,602.60 mi (5,797.82 km) |
