| Sintra to Grand Prairie (Texas) | 4,737.20 mi (7,623.79 km) |
| Sintra to Grand Rapids (Michigan) | 3,853.81 mi (6,202.11 km) |
| Sintra to Grand Rapids (Minnesota) | 4,081.22 mi (6,568.09 km) |
| Sintra to Grand Terrace (California) | 5,614.77 mi (9,036.10 km) |
| Sintra to Grandview (Missouri) | 4,393.75 mi (7,071.06 km) |
| Sintra to Grandview (Washington) | 5,162.21 mi (8,307.77 km) |
| Sintra to Grandville (Michigan) | 3,860.16 mi (6,212.33 km) |
| Sintra to Granger (Indiana) | 3,910.78 mi (6,293.79 km) |
| Sintra to Granite Bay (California) | 5,555.11 mi (8,940.09 km) |
| Sintra to Granite City (Illinois) | 4,191.74 mi (6,745.95 km) |
| Sintra to Grants Pass (Oregon) | 5,464.28 mi (8,793.91 km) |
| Sintra to Grantsville (Utah) | 5,120.01 mi (8,239.86 km) |
| Sintra to Grapevine (Texas) | 4,730.45 mi (7,612.92 km) |
| Sintra to Grass Valley (California) | 5,528.67 mi (8,897.54 km) |
| Sintra to Grayslake (Illinois) | 3,981.56 mi (6,407.70 km) |
