| Portishead to Jeffersonville (Indiana) | 3,934.85 mi (6,332.52 km) |
| Portishead to Jenison (Michigan) | 3,731.15 mi (6,004.70 km) |
| Portishead to Jenks (Oklahoma) | 4,451.47 mi (7,163.95 km) |
| Portishead to Jennings (Missouri) | 4,096.81 mi (6,593.18 km) |
| Portishead to Jensen Beach (Florida) | 4,244.53 mi (6,830.91 km) |
| Portishead to Jericho (New York) | 3,331.26 mi (5,361.14 km) |
| Portishead to Jerome (Idaho) | 4,755.29 mi (7,652.90 km) |
| Portishead to Jersey City (New Jersey) | 3,355.93 mi (5,400.84 km) |
| Portishead to Jessup (Maryland) | 3,535.69 mi (5,690.14 km) |
| Portishead to Johns Creek (Georgia) | 4,077.97 mi (6,562.85 km) |
| Portishead to Johnson City (New York) | 3,373.81 mi (5,429.62 km) |
| Portishead to Johnson City (Tennessee) | 3,893.71 mi (6,266.32 km) |
| Portishead to Johnston (Iowa) | 4,087.71 mi (6,578.54 km) |
| Portishead to Johnstown (Colorado) | 4,561.55 mi (7,341.11 km) |
| Portishead to Johnstown (Pennsylvania) | 3,571.34 mi (5,747.52 km) |
