| Mablethorpe to Joliet (Illinois) | 3,940.63 mi (6,341.83 km) |
| Mablethorpe to Jonesboro (Arkansas) | 4,319.21 mi (6,951.10 km) |
| Mablethorpe to Joplin (Missouri) | 4,396.83 mi (7,076.01 km) |
| Mablethorpe to Joppatowne (Maryland) | 3,590.29 mi (5,778.01 km) |
| Mablethorpe to Juana Díaz (Puerto Rico) | 4,270.00 mi (6,871.91 km) |
| Mablethorpe to Junction City (Kansas) | 4,380.69 mi (7,050.03 km) |
| Mablethorpe to Juneau (Alaska) | 4,303.93 mi (6,926.50 km) |
| Mablethorpe to Jupiter (Florida) | 4,360.77 mi (7,017.98 km) |
| Mablethorpe to Jupiter Farms (Florida) | 4,364.97 mi (7,024.73 km) |
| Mablethorpe to Jurupa Valley (California) | 5,347.30 mi (8,605.65 km) |
| Mablethorpe to Justice (Illinois) | 3,917.84 mi (6,305.16 km) |
| Mablethorpe to Kahului (Hawaii) | 7,123.54 mi (11,464.24 km) |
| Mablethorpe to Kailua (Hawaii) | 7,108.04 mi (11,439.29 km) |
| Mablethorpe to Kalamazoo (Michigan) | 3,809.63 mi (6,131.01 km) |
| Mablethorpe to Kalispell (Montana) | 4,447.23 mi (7,157.13 km) |
