| Blackburn to Jeffersonville (Indiana) | 3,889.34 mi (6,259.29 km) |
| Blackburn to Jenison (Michigan) | 3,674.83 mi (5,914.07 km) |
| Blackburn to Jenks (Oklahoma) | 4,393.40 mi (7,070.50 km) |
| Blackburn to Jennings (Missouri) | 4,042.81 mi (6,506.27 km) |
| Blackburn to Jensen Beach (Florida) | 4,233.63 mi (6,813.37 km) |
| Blackburn to Jericho (New York) | 3,300.50 mi (5,311.64 km) |
| Blackburn to Jerome (Idaho) | 4,657.81 mi (7,496.02 km) |
| Blackburn to Jersey City (New Jersey) | 3,324.44 mi (5,350.17 km) |
| Blackburn to Jessup (Maryland) | 3,503.67 mi (5,638.61 km) |
| Blackburn to Johns Creek (Georgia) | 4,044.73 mi (6,509.36 km) |
| Blackburn to Johnson City (New York) | 3,335.24 mi (5,367.55 km) |
| Blackburn to Johnson City (Tennessee) | 3,858.59 mi (6,209.80 km) |
| Blackburn to Johnston (Iowa) | 4,021.97 mi (6,472.74 km) |
| Blackburn to Johnstown (Colorado) | 4,481.35 mi (7,212.04 km) |
| Blackburn to Johnstown (Pennsylvania) | 3,532.58 mi (5,685.14 km) |
