| Sintra to Foothill Farms (California) | 5,565.52 mi (8,956.84 km) |
| Sintra to Fords (New Jersey) | 3,373.99 mi (5,429.91 km) |
| Sintra to Forest (Virginia) | 3,704.28 mi (5,961.47 km) |
| Sintra to Forest Acres (South Carolina) | 3,890.53 mi (6,261.20 km) |
| Sintra to Forest City (Florida) | 4,094.10 mi (6,588.82 km) |
| Sintra to Forest Grove (Oregon) | 5,310.04 mi (8,545.68 km) |
| Sintra to Forest Hill (Texas) | 4,750.09 mi (7,644.53 km) |
| Sintra to Forest Hills (Michigan) | 3,846.20 mi (6,189.87 km) |
| Sintra to Forest Lake (Minnesota) | 4,115.97 mi (6,624.02 km) |
| Sintra to Forest Park (Georgia) | 4,075.62 mi (6,559.08 km) |
| Sintra to Forest Park (Illinois) | 3,985.39 mi (6,413.87 km) |
| Sintra to Forest Park (Ohio) | 3,905.95 mi (6,286.02 km) |
| Sintra to Forestville (Maryland) | 3,543.17 mi (5,702.19 km) |
| Sintra to Forestville (Ohio) | 3,903.30 mi (6,281.76 km) |
| Sintra to Forney (Texas) | 4,707.40 mi (7,575.83 km) |
