| Roman to Jacksonville (Texas) | 5,908.99 mi (9,509.60 km) |
| Roman to Jacksonville Beach (Florida) | 5,490.57 mi (8,836.23 km) |
| Roman to James Island (South Carolina) | 5,306.41 mi (8,539.84 km) |
| Roman to Jamestown (New York) | 4,808.55 mi (7,738.62 km) |
| Roman to Jamestown (North Dakota) | 5,170.15 mi (8,320.55 km) |
| Roman to Janesville (Wisconsin) | 5,112.80 mi (8,228.26 km) |
| Roman to Jasmine Estates (Florida) | 5,645.00 mi (9,084.75 km) |
| Roman to Jasper (Alabama) | 5,524.31 mi (8,890.52 km) |
| Roman to Jasper (Indiana) | 5,270.73 mi (8,482.42 km) |
| Roman to Jefferson (Georgia) | 5,373.90 mi (8,648.46 km) |
| Roman to Jefferson (Louisiana) | 5,839.97 mi (9,398.53 km) |
| Roman to Jefferson City (Missouri) | 5,438.58 mi (8,752.55 km) |
| Roman to Jefferson Hills (Pennsylvania) | 4,923.38 mi (7,923.42 km) |
| Roman to Jefferson Valley-Yorktown (New York) | 4,646.06 mi (7,477.11 km) |
| Roman to Jeffersontown (Kentucky) | 5,232.59 mi (8,421.05 km) |
