| Douarnenez to Joliet (Illinois) | 3,926.41 mi (6,318.94 km) |
| Douarnenez to Jonesboro (Arkansas) | 4,281.19 mi (6,889.91 km) |
| Douarnenez to Joplin (Missouri) | 4,383.55 mi (7,054.65 km) |
| Douarnenez to Joppatowne (Maryland) | 3,510.95 mi (5,650.33 km) |
| Douarnenez to Juana Díaz (Puerto Rico) | 4,020.71 mi (6,470.71 km) |
| Douarnenez to Junction City (Kansas) | 4,389.12 mi (7,063.61 km) |
| Douarnenez to Juneau (Alaska) | 4,544.46 mi (7,313.60 km) |
| Douarnenez to Jupiter (Florida) | 4,221.91 mi (6,794.51 km) |
| Douarnenez to Jupiter Farms (Florida) | 4,226.64 mi (6,802.12 km) |
| Douarnenez to Jurupa Valley (California) | 5,427.07 mi (8,734.03 km) |
| Douarnenez to Justice (Illinois) | 3,903.79 mi (6,282.54 km) |
| Douarnenez to Kahului (Hawaii) | 7,368.99 mi (11,859.24 km) |
| Douarnenez to Kailua (Hawaii) | 7,361.20 mi (11,846.70 km) |
| Douarnenez to Kalamazoo (Michigan) | 3,789.65 mi (6,098.85 km) |
| Douarnenez to Kalispell (Montana) | 4,577.50 mi (7,366.78 km) |
