| Sintra to Glenview (Illinois) | 3,979.33 mi (6,404.11 km) |
| Sintra to Gloucester (Massachusetts) | 3,150.45 mi (5,070.16 km) |
| Sintra to Gloucester City (New Jersey) | 3,429.44 mi (5,519.15 km) |
| Sintra to Gloucester Point (Virginia) | 3,567.69 mi (5,741.64 km) |
| Sintra to Gloversville (New York) | 3,318.27 mi (5,340.23 km) |
| Sintra to Godfrey (Illinois) | 4,188.55 mi (6,740.81 km) |
| Sintra to Gold Canyon (Arizona) | 5,385.35 mi (8,666.89 km) |
| Sintra to Golden (Colorado) | 4,845.95 mi (7,798.80 km) |
| Sintra to Golden Gate (Florida) | 4,195.92 mi (6,752.69 km) |
| Sintra to Golden Glades (Florida) | 4,126.34 mi (6,640.71 km) |
| Sintra to Golden Valley (Minnesota) | 4,141.55 mi (6,665.19 km) |
| Sintra to Goldenrod (Florida) | 4,087.87 mi (6,578.79 km) |
| Sintra to Goldsboro (North Carolina) | 3,696.58 mi (5,949.07 km) |
| Sintra to Goleta (California) | 5,704.17 mi (9,179.98 km) |
| Sintra to Gonzales (Louisiana) | 4,526.66 mi (7,284.96 km) |
