| Sintra to Jacksonville (Texas) | 4,678.33 mi (7,529.04 km) |
| Sintra to Jacksonville Beach (Florida) | 4,036.26 mi (6,495.73 km) |
| Sintra to James Island (South Carolina) | 3,879.13 mi (6,242.85 km) |
| Sintra to Jamestown (New York) | 3,574.62 mi (5,752.79 km) |
| Sintra to Jamestown (North Dakota) | 4,308.20 mi (6,933.38 km) |
| Sintra to Janesville (Wisconsin) | 4,016.45 mi (6,463.85 km) |
| Sintra to Jasmine Estates (Florida) | 4,172.22 mi (6,714.54 km) |
| Sintra to Jasper (Alabama) | 4,214.30 mi (6,782.25 km) |
| Sintra to Jasper (Indiana) | 4,049.77 mi (6,517.47 km) |
| Sintra to Jefferson (Georgia) | 4,020.47 mi (6,470.33 km) |
| Sintra to Jefferson (Louisiana) | 4,496.99 mi (7,237.21 km) |
| Sintra to Jefferson City (Missouri) | 4,294.21 mi (6,910.87 km) |
| Sintra to Jefferson Hills (Pennsylvania) | 3,655.04 mi (5,882.22 km) |
| Sintra to Jefferson Valley-Yorktown (New York) | 3,330.47 mi (5,359.88 km) |
| Sintra to Jeffersontown (Kentucky) | 3,989.26 mi (6,420.09 km) |
