| Rio Grande City to Gonzales (Louisiana) | 548.40 mi (882.57 km) |
| Rio Grande City to Gonzalez (Florida) | 757.54 mi (1,219.15 km) |
| Rio Grande City to Goodlettsville (Tennessee) | 990.39 mi (1,593.88 km) |
| Rio Grande City to Goodyear (Arizona) | 939.42 mi (1,511.85 km) |
| Rio Grande City to Goose Creek (South Carolina) | 1,216.00 mi (1,956.96 km) |
| Rio Grande City to Goshen (Indiana) | 1,283.58 mi (2,065.71 km) |
| Rio Grande City to Goulds (Florida) | 1,145.44 mi (1,843.41 km) |
| Rio Grande City to Grafton (Wisconsin) | 1,320.14 mi (2,124.57 km) |
| Rio Grande City to Graham (North Carolina) | 1,324.94 mi (2,132.29 km) |
| Rio Grande City to Graham (Washington) | 1,914.98 mi (3,081.87 km) |
| Rio Grande City to Grain Valley (Missouri) | 912.99 mi (1,469.32 km) |
| Rio Grande City to Granbury (Texas) | 423.91 mi (682.21 km) |
| Rio Grande City to Grand Forks (North Dakota) | 1,491.27 mi (2,399.97 km) |
| Rio Grande City to Grand Haven (Michigan) | 1,352.76 mi (2,177.06 km) |
| Rio Grande City to Grand Island (Nebraska) | 1,005.03 mi (1,617.45 km) |
