| Barrow in Furness to Joliet (Illinois) | 3,789.09 mi (6,097.96 km) |
| Barrow in Furness to Jonesboro (Arkansas) | 4,167.18 mi (6,706.43 km) |
| Barrow in Furness to Joplin (Missouri) | 4,245.43 mi (6,832.36 km) |
| Barrow in Furness to Joppatowne (Maryland) | 3,438.63 mi (5,533.95 km) |
| Barrow in Furness to Juana Díaz (Puerto Rico) | 4,137.88 mi (6,659.28 km) |
| Barrow in Furness to Junction City (Kansas) | 4,230.29 mi (6,808.00 km) |
| Barrow in Furness to Juneau (Alaska) | 4,193.73 mi (6,749.16 km) |
| Barrow in Furness to Jupiter (Florida) | 4,212.10 mi (6,778.73 km) |
| Barrow in Furness to Jupiter Farms (Florida) | 4,216.26 mi (6,785.41 km) |
| Barrow in Furness to Jurupa Valley (California) | 5,203.87 mi (8,374.81 km) |
| Barrow in Furness to Justice (Illinois) | 3,766.30 mi (6,061.28 km) |
| Barrow in Furness to Kahului (Hawaii) | 7,017.25 mi (11,293.18 km) |
| Barrow in Furness to Kailua (Hawaii) | 7,004.28 mi (11,272.30 km) |
| Barrow in Furness to Kalamazoo (Michigan) | 3,657.89 mi (5,886.81 km) |
| Barrow in Furness to Kalispell (Montana) | 4,310.67 mi (6,937.36 km) |
