| Sintra to Firestone (Colorado) | 4,818.26 mi (7,754.24 km) |
| Sintra to Fish Hawk (Florida) | 4,163.08 mi (6,699.84 km) |
| Sintra to Fishers (Indiana) | 3,955.06 mi (6,365.05 km) |
| Sintra to Fitchburg (Massachusetts) | 3,205.86 mi (5,159.34 km) |
| Sintra to Fitchburg (Wisconsin) | 4,026.35 mi (6,479.78 km) |
| Sintra to Five Corners (Washington) | 5,283.32 mi (8,502.68 km) |
| Sintra to Five Forks (South Carolina) | 3,929.63 mi (6,324.13 km) |
| Sintra to Flagstaff (Arizona) | 5,315.37 mi (8,554.27 km) |
| Sintra to Flat Rock (Michigan) | 3,766.08 mi (6,060.93 km) |
| Sintra to Fleming Island (Florida) | 4,058.37 mi (6,531.32 km) |
| Sintra to Flint (Michigan) | 3,760.91 mi (6,052.59 km) |
| Sintra to Floral Park (New York) | 3,339.53 mi (5,374.45 km) |
| Sintra to Florence (Alabama) | 4,200.90 mi (6,760.69 km) |
| Sintra to Florence (Arizona) | 5,398.46 mi (8,687.99 km) |
| Sintra to Florence (Kentucky) | 3,920.65 mi (6,309.67 km) |
