| Grenade to Joliet (Illinois) | 4,309.10 mi (6,934.83 km) |
| Grenade to Jonesboro (Arkansas) | 4,655.06 mi (7,491.60 km) |
| Grenade to Joplin (Missouri) | 4,765.25 mi (7,668.92 km) |
| Grenade to Joppatowne (Maryland) | 3,871.91 mi (6,231.24 km) |
| Grenade to Juana Díaz (Puerto Rico) | 4,264.26 mi (6,862.67 km) |
| Grenade to Junction City (Kansas) | 4,776.85 mi (7,687.60 km) |
| Grenade to Juneau (Alaska) | 4,927.86 mi (7,930.63 km) |
| Grenade to Jupiter (Florida) | 4,548.54 mi (7,320.17 km) |
| Grenade to Jupiter Farms (Florida) | 4,553.56 mi (7,328.25 km) |
| Grenade to Jurupa Valley (California) | 5,826.70 mi (9,377.17 km) |
| Grenade to Justice (Illinois) | 4,286.60 mi (6,898.62 km) |
| Grenade to Kahului (Hawaii) | 7,753.10 mi (12,477.40 km) |
| Grenade to Kailua (Hawaii) | 7,742.31 mi (12,460.05 km) |
| Grenade to Kalamazoo (Michigan) | 4,171.04 mi (6,712.65 km) |
| Grenade to Kalispell (Montana) | 4,979.90 mi (8,014.38 km) |
