| Muscle Shoals to Johnstown (Pennsylvania) | 613.29 mi (986.99 km) |
| Muscle Shoals to Joliet (Illinois) | 468.98 mi (754.76 km) |
| Muscle Shoals to Jonesboro (Arkansas) | 187.18 mi (301.23 km) |
| Muscle Shoals to Joplin (Missouri) | 416.60 mi (670.46 km) |
| Muscle Shoals to Joppatowne (Maryland) | 700.06 mi (1,126.63 km) |
| Muscle Shoals to Juana Díaz (Puerto Rico) | 1,736.33 mi (2,794.35 km) |
| Muscle Shoals to Junction City (Kansas) | 588.67 mi (947.37 km) |
| Muscle Shoals to Juneau (Alaska) | 2,667.82 mi (4,293.45 km) |
| Muscle Shoals to Jupiter (Florida) | 700.42 mi (1,127.22 km) |
| Muscle Shoals to Jupiter Farms (Florida) | 696.32 mi (1,120.62 km) |
| Muscle Shoals to Jurupa Valley (California) | 1,696.04 mi (2,729.51 km) |
| Muscle Shoals to Justice (Illinois) | 484.21 mi (779.26 km) |
| Muscle Shoals to Kahului (Hawaii) | 4,234.76 mi (6,815.20 km) |
| Muscle Shoals to Kailua (Hawaii) | 4,289.36 mi (6,903.05 km) |
| Muscle Shoals to Kalamazoo (Michigan) | 531.97 mi (856.12 km) |
