| Jefferson Valley-Yorktown to Joliet (Illinois) | 742.74 mi (1,195.33 km) |
| Jefferson Valley-Yorktown to Jonesboro (Arkansas) | 985.59 mi (1,586.15 km) |
| Jefferson Valley-Yorktown to Joplin (Missouri) | 1,143.47 mi (1,840.24 km) |
| Jefferson Valley-Yorktown to Joppatowne (Maryland) | 187.77 mi (302.18 km) |
| Jefferson Valley-Yorktown to Juana Díaz (Puerto Rico) | 1,664.44 mi (2,678.66 km) |
| Jefferson Valley-Yorktown to Junction City (Kansas) | 1,223.49 mi (1,969.01 km) |
| Jefferson Valley-Yorktown to Juneau (Alaska) | 2,819.47 mi (4,537.50 km) |
| Jefferson Valley-Yorktown to Jupiter (Florida) | 1,057.50 mi (1,701.89 km) |
| Jefferson Valley-Yorktown to Jupiter Farms (Florida) | 1,059.42 mi (1,704.97 km) |
| Jefferson Valley-Yorktown to Jurupa Valley (California) | 2,415.24 mi (3,886.96 km) |
| Jefferson Valley-Yorktown to Justice (Illinois) | 725.64 mi (1,167.81 km) |
| Jefferson Valley-Yorktown to Kahului (Hawaii) | 4,908.47 mi (7,899.42 km) |
| Jefferson Valley-Yorktown to Kailua (Hawaii) | 4,951.20 mi (7,968.19 km) |
| Jefferson Valley-Yorktown to Kalamazoo (Michigan) | 610.26 mi (982.12 km) |
| Jefferson Valley-Yorktown to Kalispell (Montana) | 2,019.28 mi (3,249.71 km) |
