| Sintra to Florence (South Carolina) | 3,825.74 mi (6,156.94 km) |
| Sintra to Florence-Graham (California) | 5,657.55 mi (9,104.95 km) |
| Sintra to Florham Park (New Jersey) | 3,372.28 mi (5,427.16 km) |
| Sintra to Florida (Puerto Rico) | 3,678.91 mi (5,920.64 km) |
| Sintra to Florida City (Florida) | 4,157.60 mi (6,691.00 km) |
| Sintra to Florida Ridge (Florida) | 4,076.47 mi (6,560.44 km) |
| Sintra to Florin (California) | 5,577.34 mi (8,975.86 km) |
| Sintra to Florissant (Missouri) | 4,198.97 mi (6,757.59 km) |
| Sintra to Flower Hill (Maryland) | 3,550.23 mi (5,713.54 km) |
| Sintra to Flower Mound (Texas) | 4,728.63 mi (7,610.00 km) |
| Sintra to Flowing Wells (Arizona) | 5,413.04 mi (8,711.44 km) |
| Sintra to Foley (Alabama) | 4,354.42 mi (7,007.76 km) |
| Sintra to Folsom (California) | 5,558.33 mi (8,945.27 km) |
| Sintra to Fond du Lac (Wisconsin) | 3,958.51 mi (6,370.60 km) |
| Sintra to Fontana (California) | 5,618.07 mi (9,041.40 km) |
