| Colfontaine to Joliet (Illinois) | 4,172.41 mi (6,714.84 km) |
| Colfontaine to Jonesboro (Arkansas) | 4,545.29 mi (7,314.94 km) |
| Colfontaine to Joplin (Missouri) | 4,629.45 mi (7,450.38 km) |
| Colfontaine to Joppatowne (Maryland) | 3,802.54 mi (6,119.60 km) |
| Colfontaine to Juana Díaz (Puerto Rico) | 4,403.70 mi (7,087.06 km) |
| Colfontaine to Junction City (Kansas) | 4,618.27 mi (7,432.38 km) |
| Colfontaine to Juneau (Alaska) | 4,551.17 mi (7,324.40 km) |
| Colfontaine to Jupiter (Florida) | 4,551.95 mi (7,325.65 km) |
| Colfontaine to Jupiter Farms (Florida) | 4,556.38 mi (7,332.78 km) |
| Colfontaine to Jurupa Valley (California) | 5,597.35 mi (9,008.07 km) |
| Colfontaine to Justice (Illinois) | 4,149.63 mi (6,678.18 km) |
| Colfontaine to Kahului (Hawaii) | 7,367.36 mi (11,856.62 km) |
| Colfontaine to Kailua (Hawaii) | 7,350.14 mi (11,828.90 km) |
| Colfontaine to Kalamazoo (Michigan) | 4,039.77 mi (6,501.38 km) |
| Colfontaine to Kalispell (Montana) | 4,700.78 mi (7,565.17 km) |
