| McDonough to Johnstown (Pennsylvania) | 556.48 mi (895.57 km) |
| McDonough to Joliet (Illinois) | 599.55 mi (964.88 km) |
| McDonough to Jonesboro (Arkansas) | 405.89 mi (653.21 km) |
| McDonough to Joplin (Missouri) | 635.28 mi (1,022.39 km) |
| McDonough to Joppatowne (Maryland) | 598.37 mi (962.98 km) |
| McDonough to Juana Díaz (Puerto Rico) | 1,523.82 mi (2,452.35 km) |
| McDonough to Junction City (Kansas) | 805.17 mi (1,295.80 km) |
| McDonough to Juneau (Alaska) | 2,860.45 mi (4,603.45 km) |
| McDonough to Jupiter (Florida) | 510.83 mi (822.10 km) |
| McDonough to Jupiter Farms (Florida) | 507.74 mi (817.13 km) |
| McDonough to Jurupa Valley (California) | 1,906.74 mi (3,068.60 km) |
| McDonough to Justice (Illinois) | 608.38 mi (979.09 km) |
| McDonough to Kahului (Hawaii) | 4,444.46 mi (7,152.67 km) |
| McDonough to Kailua (Hawaii) | 4,500.26 mi (7,242.47 km) |
| McDonough to Kalamazoo (Michigan) | 615.44 mi (990.46 km) |
