| Rio Grande City to Greenwood (South Carolina) | 1,129.35 mi (1,817.52 km) |
| Rio Grande City to Greenwood Village (Colorado) | 979.52 mi (1,576.39 km) |
| Rio Grande City to Greer (South Carolina) | 1,147.17 mi (1,846.19 km) |
| Rio Grande City to Grenada (Mississippi) | 742.02 mi (1,194.17 km) |
| Rio Grande City to Gresham (Oregon) | 1,854.87 mi (2,985.12 km) |
| Rio Grande City to Gretna (Louisiana) | 587.06 mi (944.79 km) |
| Rio Grande City to Griffin (Georgia) | 991.17 mi (1,595.13 km) |
| Rio Grande City to Griffith (Indiana) | 1,231.11 mi (1,981.28 km) |
| Rio Grande City to Grimes (Iowa) | 1,094.88 mi (1,762.04 km) |
| Rio Grande City to Grosse Pointe Park (Michigan) | 1,424.30 mi (2,292.19 km) |
| Rio Grande City to Grosse Pointe Woods (Michigan) | 1,428.20 mi (2,298.47 km) |
| Rio Grande City to Grove City (Ohio) | 1,299.46 mi (2,091.28 km) |
| Rio Grande City to Groveland (Florida) | 1,052.12 mi (1,693.22 km) |
| Rio Grande City to Grover Beach (California) | 1,424.05 mi (2,291.79 km) |
| Rio Grande City to Groves (Texas) | 387.14 mi (623.04 km) |
