| Sintra to Savannah (Georgia) | 3,966.09 mi (6,382.81 km) |
| Sintra to Sayreville (New Jersey) | 3,376.22 mi (5,433.51 km) |
| Sintra to Sayville (New York) | 3,308.45 mi (5,324.43 km) |
| Sintra to Scaggsville (Maryland) | 3,536.16 mi (5,690.90 km) |
| Sintra to Scarsdale (New York) | 3,336.92 mi (5,370.25 km) |
| Sintra to Schaumburg (Illinois) | 3,993.02 mi (6,426.15 km) |
| Sintra to Schenectady (New York) | 3,303.47 mi (5,316.42 km) |
| Sintra to Schererville (Indiana) | 3,979.41 mi (6,404.24 km) |
| Sintra to Schertz (Texas) | 4,918.08 mi (7,914.88 km) |
| Sintra to Schiller Park (Illinois) | 3,985.21 mi (6,413.58 km) |
| Sintra to Schofield Barracks (Hawaii) | 7,803.77 mi (12,558.96 km) |
| Sintra to Scotchtown (New York) | 3,354.46 mi (5,398.49 km) |
| Sintra to Scottdale (Georgia) | 4,065.05 mi (6,542.07 km) |
| Sintra to Scotts Valley (California) | 5,669.04 mi (9,123.43 km) |
| Sintra to Scottsbluff (Nebraska) | 4,696.85 mi (7,558.85 km) |
