| Leighton Buzzard to Joliet (Illinois) | 3,950.81 mi (6,358.22 km) |
| Leighton Buzzard to Jonesboro (Arkansas) | 4,323.85 mi (6,958.56 km) |
| Leighton Buzzard to Joplin (Missouri) | 4,407.88 mi (7,093.79 km) |
| Leighton Buzzard to Joppatowne (Maryland) | 3,583.23 mi (5,766.66 km) |
| Leighton Buzzard to Juana Díaz (Puerto Rico) | 4,218.70 mi (6,789.34 km) |
| Leighton Buzzard to Junction City (Kansas) | 4,397.22 mi (7,076.63 km) |
| Leighton Buzzard to Juneau (Alaska) | 4,376.72 mi (7,043.64 km) |
| Leighton Buzzard to Jupiter (Florida) | 4,339.28 mi (6,983.40 km) |
| Leighton Buzzard to Jupiter Farms (Florida) | 4,343.63 mi (6,990.39 km) |
| Leighton Buzzard to Jurupa Valley (California) | 5,382.72 mi (8,662.65 km) |
| Leighton Buzzard to Justice (Illinois) | 3,928.03 mi (6,321.55 km) |
| Leighton Buzzard to Kahului (Hawaii) | 7,199.30 mi (11,586.16 km) |
| Leighton Buzzard to Kailua (Hawaii) | 7,185.48 mi (11,563.92 km) |
| Leighton Buzzard to Kalamazoo (Michigan) | 3,818.15 mi (6,144.72 km) |
| Leighton Buzzard to Kalispell (Montana) | 4,494.03 mi (7,232.45 km) |
