| Sintra to Glen Carbon (Illinois) | 4,183.94 mi (6,733.39 km) |
| Sintra to Glen Cove (New York) | 3,332.40 mi (5,362.98 km) |
| Sintra to Glen Ellyn (Illinois) | 3,996.93 mi (6,432.44 km) |
| Sintra to Glen Rock (New Jersey) | 3,354.69 mi (5,398.84 km) |
| Sintra to Glendale (Arizona) | 5,412.22 mi (8,710.13 km) |
| Sintra to Glendale (California) | 5,647.79 mi (9,089.24 km) |
| Sintra to Glendale (Wisconsin) | 3,953.69 mi (6,362.86 km) |
| Sintra to Glendale Heights (Illinois) | 3,996.08 mi (6,431.07 km) |
| Sintra to Glendora (California) | 5,632.42 mi (9,064.51 km) |
| Sintra to Glenmont (Maryland) | 3,546.10 mi (5,706.90 km) |
| Sintra to Glenn Dale (Maryland) | 3,536.37 mi (5,691.23 km) |
| Sintra to Glenn Heights (Texas) | 4,734.29 mi (7,619.10 km) |
| Sintra to Glenpool (Oklahoma) | 4,567.33 mi (7,350.41 km) |
| Sintra to Glens Falls (New York) | 3,279.11 mi (5,277.21 km) |
| Sintra to Glenvar Heights (Florida) | 4,139.78 mi (6,662.32 km) |
