| Mablethorpe to Jeffersonville (Indiana) | 4,004.39 mi (6,444.45 km) |
| Mablethorpe to Jenison (Michigan) | 3,788.52 mi (6,097.03 km) |
| Mablethorpe to Jenks (Oklahoma) | 4,506.67 mi (7,252.78 km) |
| Mablethorpe to Jennings (Missouri) | 4,156.78 mi (6,689.69 km) |
| Mablethorpe to Jensen Beach (Florida) | 4,349.24 mi (6,999.42 km) |
| Mablethorpe to Jericho (New York) | 3,416.51 mi (5,498.34 km) |
| Mablethorpe to Jerome (Idaho) | 4,758.94 mi (7,658.78 km) |
| Mablethorpe to Jersey City (New Jersey) | 3,440.43 mi (5,536.84 km) |
| Mablethorpe to Jessup (Maryland) | 3,619.64 mi (5,825.24 km) |
| Mablethorpe to Johns Creek (Georgia) | 4,160.63 mi (6,695.89 km) |
| Mablethorpe to Johnson City (New York) | 3,450.92 mi (5,553.72 km) |
| Mablethorpe to Johnson City (Tennessee) | 3,974.42 mi (6,396.22 km) |
| Mablethorpe to Johnston (Iowa) | 4,133.81 mi (6,652.73 km) |
| Mablethorpe to Johnstown (Colorado) | 4,589.23 mi (7,385.65 km) |
| Mablethorpe to Johnstown (Pennsylvania) | 3,648.23 mi (5,871.26 km) |
