| Sintra to Exeter (California) | 5,588.04 mi (8,993.08 km) |
| Sintra to Fair Lawn (New Jersey) | 3,354.90 mi (5,399.18 km) |
| Sintra to Fair Oaks (California) | 5,563.36 mi (8,953.36 km) |
| Sintra to Fair Oaks (Virginia) | 3,567.01 mi (5,740.56 km) |
| Sintra to Fairbanks (Alaska) | 4,929.65 mi (7,933.50 km) |
| Sintra to Fairborn (Ohio) | 3,865.91 mi (6,221.59 km) |
| Sintra to Fairburn (Georgia) | 4,089.72 mi (6,581.77 km) |
| Sintra to Fairfax (Virginia) | 3,564.42 mi (5,736.38 km) |
| Sintra to Fairfax Station (Virginia) | 3,567.79 mi (5,741.81 km) |
| Sintra to Fairfield (California) | 5,612.84 mi (9,032.99 km) |
| Sintra to Fairfield (Ohio) | 3,905.37 mi (6,285.09 km) |
| Sintra to Fairhope (Alabama) | 4,361.07 mi (7,018.47 km) |
| Sintra to Fairland (Maryland) | 3,541.17 mi (5,698.96 km) |
| Sintra to Fairmont (Minnesota) | 4,232.41 mi (6,811.41 km) |
| Sintra to Fairmont (West Virginia) | 3,687.79 mi (5,934.92 km) |
