| Launceston to Joliet (Illinois) | 3,846.90 mi (6,190.99 km) |
| Launceston to Jonesboro (Arkansas) | 4,211.55 mi (6,777.83 km) |
| Launceston to Joplin (Missouri) | 4,304.47 mi (6,927.37 km) |
| Launceston to Joppatowne (Maryland) | 3,456.66 mi (5,562.95 km) |
| Launceston to Juana Díaz (Puerto Rico) | 4,047.29 mi (6,513.49 km) |
| Launceston to Junction City (Kansas) | 4,301.87 mi (6,923.19 km) |
| Launceston to Juneau (Alaska) | 4,386.38 mi (7,059.20 km) |
| Launceston to Jupiter (Florida) | 4,194.74 mi (6,750.78 km) |
| Launceston to Jupiter Farms (Florida) | 4,199.24 mi (6,758.02 km) |
| Launceston to Jurupa Valley (California) | 5,316.05 mi (8,555.35 km) |
| Launceston to Justice (Illinois) | 3,824.17 mi (6,154.41 km) |
| Launceston to Kahului (Hawaii) | 7,211.68 mi (11,606.08 km) |
| Launceston to Kailua (Hawaii) | 7,202.09 mi (11,590.64 km) |
| Launceston to Kalamazoo (Michigan) | 3,712.09 mi (5,974.04 km) |
| Launceston to Kalispell (Montana) | 4,449.18 mi (7,160.27 km) |
