| Sintra to Spout Springs (North Carolina) | 3,753.65 mi (6,040.91 km) |
| Sintra to Spring (Texas) | 4,756.31 mi (7,654.54 km) |
| Sintra to Spring Creek (Nevada) | 5,242.02 mi (8,436.22 km) |
| Sintra to Spring Hill (Florida) | 4,157.23 mi (6,690.41 km) |
| Sintra to Spring Hill (Tennessee) | 4,133.30 mi (6,651.90 km) |
| Sintra to Spring Lake (North Carolina) | 3,754.44 mi (6,042.18 km) |
| Sintra to Spring Valley (California) | 5,659.56 mi (9,108.17 km) |
| Sintra to Spring Valley (Nevada) | 5,433.87 mi (8,744.97 km) |
| Sintra to Spring Valley (New York) | 3,347.31 mi (5,386.97 km) |
| Sintra to Springboro (Ohio) | 3,883.78 mi (6,250.34 km) |
| Sintra to Springdale (Arkansas) | 4,470.48 mi (7,194.54 km) |
| Sintra to Springdale (New Jersey) | 3,422.67 mi (5,508.25 km) |
| Sintra to Springdale (Ohio) | 3,903.40 mi (6,281.92 km) |
| Sintra to Springfield (Illinois) | 4,135.88 mi (6,656.06 km) |
| Sintra to Springfield (Massachusetts) | 3,251.12 mi (5,232.17 km) |
