| Portimao to Joliet (Illinois) | 4,109.77 mi (6,614.03 km) |
| Portimao to Jonesboro (Arkansas) | 4,407.20 mi (7,092.71 km) |
| Portimao to Joplin (Missouri) | 4,551.49 mi (7,324.91 km) |
| Portimao to Joppatowne (Maryland) | 3,591.59 mi (5,780.11 km) |
| Portimao to Juana Díaz (Puerto Rico) | 3,724.48 mi (5,993.97 km) |
| Portimao to Junction City (Kansas) | 4,596.22 mi (7,396.90 km) |
| Portimao to Juneau (Alaska) | 5,129.89 mi (8,255.77 km) |
| Portimao to Jupiter (Florida) | 4,154.74 mi (6,686.40 km) |
| Portimao to Jupiter Farms (Florida) | 4,160.36 mi (6,695.46 km) |
| Portimao to Jurupa Valley (California) | 5,729.53 mi (9,220.78 km) |
| Portimao to Justice (Illinois) | 4,088.36 mi (6,579.58 km) |
| Portimao to Kahului (Hawaii) | 7,917.18 mi (12,741.46 km) |
| Portimao to Kailua (Hawaii) | 7,922.91 mi (12,750.69 km) |
| Portimao to Kalamazoo (Michigan) | 3,968.14 mi (6,386.10 km) |
| Portimao to Kalispell (Montana) | 4,988.81 mi (8,028.71 km) |
