| Giffnock to Jacksonville (Texas) | 4,459.52 mi (7,176.90 km) |
| Giffnock to Jacksonville Beach (Florida) | 4,028.89 mi (6,483.87 km) |
| Giffnock to James Island (South Carolina) | 3,843.88 mi (6,186.13 km) |
| Giffnock to Jamestown (New York) | 3,349.85 mi (5,391.06 km) |
| Giffnock to Jamestown (North Dakota) | 3,795.42 mi (6,108.14 km) |
| Giffnock to Janesville (Wisconsin) | 3,676.89 mi (5,917.38 km) |
| Giffnock to Jasmine Estates (Florida) | 4,183.96 mi (6,733.44 km) |
| Giffnock to Jasper (Alabama) | 4,063.69 mi (6,539.87 km) |
| Giffnock to Jasper (Indiana) | 3,817.01 mi (6,142.88 km) |
| Giffnock to Jefferson (Georgia) | 3,910.71 mi (6,293.68 km) |
| Giffnock to Jefferson (Louisiana) | 4,378.47 mi (7,046.47 km) |
| Giffnock to Jefferson City (Missouri) | 3,998.11 mi (6,434.34 km) |
| Giffnock to Jefferson Hills (Pennsylvania) | 3,462.72 mi (5,572.71 km) |
| Giffnock to Jefferson Valley-Yorktown (New York) | 3,182.56 mi (5,121.83 km) |
| Giffnock to Jeffersontown (Kentucky) | 3,776.05 mi (6,076.97 km) |
