| Portishead to Jacksonville (Texas) | 4,627.34 mi (7,446.98 km) |
| Portishead to Jacksonville Beach (Florida) | 4,143.70 mi (6,668.65 km) |
| Portishead to James Island (South Carolina) | 3,963.15 mi (6,378.07 km) |
| Portishead to Jamestown (New York) | 3,506.96 mi (5,643.91 km) |
| Portishead to Jamestown (North Dakota) | 4,019.16 mi (6,468.21 km) |
| Portishead to Janesville (Wisconsin) | 3,863.45 mi (6,217.63 km) |
| Portishead to Jasmine Estates (Florida) | 4,295.96 mi (6,913.68 km) |
| Portishead to Jasper (Alabama) | 4,212.32 mi (6,779.07 km) |
| Portishead to Jasper (Indiana) | 3,981.55 mi (6,407.68 km) |
| Portishead to Jefferson (Georgia) | 4,048.25 mi (6,515.03 km) |
| Portishead to Jefferson (Louisiana) | 4,522.99 mi (7,279.04 km) |
| Portishead to Jefferson City (Missouri) | 4,178.50 mi (6,724.65 km) |
| Portishead to Jefferson Hills (Pennsylvania) | 3,613.88 mi (5,815.98 km) |
| Portishead to Jefferson Valley-Yorktown (New York) | 3,319.47 mi (5,342.17 km) |
| Portishead to Jeffersontown (Kentucky) | 3,935.74 mi (6,333.97 km) |
