| Sintra to Greenwood Village (Colorado) | 4,837.74 mi (7,785.59 km) |
| Sintra to Greer (South Carolina) | 3,925.86 mi (6,318.06 km) |
| Sintra to Grenada (Mississippi) | 4,343.25 mi (6,989.79 km) |
| Sintra to Gresham (Oregon) | 5,287.29 mi (8,509.07 km) |
| Sintra to Gretna (Louisiana) | 4,493.58 mi (7,231.71 km) |
| Sintra to Griffin (Georgia) | 4,083.92 mi (6,572.44 km) |
| Sintra to Griffith (Indiana) | 3,977.22 mi (6,400.72 km) |
| Sintra to Grimes (Iowa) | 4,266.22 mi (6,865.81 km) |
| Sintra to Grosse Pointe Park (Michigan) | 3,742.38 mi (6,022.77 km) |
| Sintra to Grosse Pointe Woods (Michigan) | 3,739.44 mi (6,018.04 km) |
| Sintra to Grove City (Ohio) | 3,818.73 mi (6,145.64 km) |
| Sintra to Groveland (Florida) | 4,115.80 mi (6,623.74 km) |
| Sintra to Grover Beach (California) | 5,703.78 mi (9,179.35 km) |
| Sintra to Groves (Texas) | 4,687.36 mi (7,543.58 km) |
| Sintra to Groveton (Virginia) | 3,556.90 mi (5,724.27 km) |
