| Sintra to Felida (Washington) | 5,286.98 mi (8,508.57 km) |
| Sintra to Fenton (Michigan) | 3,767.95 mi (6,063.93 km) |
| Sintra to Fergus Falls (Minnesota) | 4,218.28 mi (6,788.67 km) |
| Sintra to Ferguson (Missouri) | 4,199.10 mi (6,757.80 km) |
| Sintra to Fernandina Beach (Florida) | 4,025.81 mi (6,478.92 km) |
| Sintra to Ferndale (Maryland) | 3,522.53 mi (5,668.96 km) |
| Sintra to Ferndale (Michigan) | 3,749.77 mi (6,034.66 km) |
| Sintra to Ferndale (Washington) | 5,136.88 mi (8,267.01 km) |
| Sintra to Fernley (Nevada) | 5,439.25 mi (8,753.63 km) |
| Sintra to Ferry Pass (Florida) | 4,325.81 mi (6,961.73 km) |
| Sintra to Festus (Missouri) | 4,221.91 mi (6,794.50 km) |
| Sintra to Fife (Washington) | 5,203.65 mi (8,374.46 km) |
| Sintra to Fillmore (California) | 5,666.23 mi (9,118.91 km) |
| Sintra to Findlay (Ohio) | 3,812.50 mi (6,135.62 km) |
| Sintra to Finneytown (Ohio) | 3,907.49 mi (6,288.49 km) |
