| Sintra to Grovetown (Georgia) | 3,972.08 mi (6,392.44 km) |
| Sintra to Guayama (Puerto Rico) | 3,670.35 mi (5,906.86 km) |
| Sintra to Guaynabo (Puerto Rico) | 3,654.17 mi (5,880.82 km) |
| Sintra to Gulf Shores (Alabama) | 4,360.64 mi (7,017.78 km) |
| Sintra to Gulfport (Florida) | 4,192.66 mi (6,747.44 km) |
| Sintra to Gulfport (Mississippi) | 4,424.93 mi (7,121.24 km) |
| Sintra to Gunbarrel (Colorado) | 4,831.58 mi (7,775.68 km) |
| Sintra to Gurnee (Illinois) | 3,976.30 mi (6,399.23 km) |
| Sintra to Guthrie (Oklahoma) | 4,639.18 mi (7,466.03 km) |
| Sintra to Guttenberg (New Jersey) | 3,352.73 mi (5,395.70 km) |
| Sintra to Guymon (Oklahoma) | 4,796.09 mi (7,718.56 km) |
| Sintra to Hacienda Heights (California) | 5,644.60 mi (9,084.11 km) |
| Sintra to Hackensack (New Jersey) | 3,352.49 mi (5,395.31 km) |
| Sintra to Hackettstown (New Jersey) | 3,391.57 mi (5,458.20 km) |
| Sintra to Hagerstown (Maryland) | 3,564.34 mi (5,736.25 km) |
