| Sintra to South Plainfield (New Jersey) | 3,378.10 mi (5,436.53 km) |
| Sintra to South Portland (Maine) | 3,111.57 mi (5,007.59 km) |
| Sintra to South Riding (Virginia) | 3,573.42 mi (5,750.87 km) |
| Sintra to South River (New Jersey) | 3,379.40 mi (5,438.61 km) |
| Sintra to South Salt Lake (Utah) | 5,092.16 mi (8,195.03 km) |
| Sintra to South San Francisco (California) | 5,656.83 mi (9,103.79 km) |
| Sintra to South San Jose Hills (California) | 5,640.97 mi (9,078.27 km) |
| Sintra to South Sioux City (Nebraska) | 4,357.87 mi (7,013.31 km) |
| Sintra to South St. Paul (Minnesota) | 4,130.76 mi (6,647.82 km) |
| Sintra to South Valley (New Mexico) | 5,101.34 mi (8,209.82 km) |
| Sintra to South Venice (Florida) | 4,202.38 mi (6,763.07 km) |
| Sintra to South Whittier (California) | 5,650.02 mi (9,092.83 km) |
| Sintra to South Yarmouth (Massachusetts) | 3,146.10 mi (5,063.15 km) |
| Sintra to Southaven (Mississippi) | 4,310.96 mi (6,937.82 km) |
| Sintra to Southchase (Florida) | 4,101.16 mi (6,600.18 km) |
