| Rio Grande City to Glenvar Heights (Florida) | 1,148.75 mi (1,848.74 km) |
| Rio Grande City to Glenview (Illinois) | 1,251.20 mi (2,013.62 km) |
| Rio Grande City to Gloucester (Massachusetts) | 1,940.88 mi (3,123.55 km) |
| Rio Grande City to Gloucester City (New Jersey) | 1,650.56 mi (2,656.32 km) |
| Rio Grande City to Gloucester Point (Virginia) | 1,505.27 mi (2,422.49 km) |
| Rio Grande City to Gloversville (New York) | 1,793.17 mi (2,885.83 km) |
| Rio Grande City to Godfrey (Illinois) | 1,001.64 mi (1,611.98 km) |
| Rio Grande City to Gold Canyon (Arizona) | 894.89 mi (1,440.19 km) |
| Rio Grande City to Golden (Colorado) | 993.75 mi (1,599.28 km) |
| Rio Grande City to Golden Gate (Florida) | 1,059.80 mi (1,705.58 km) |
| Rio Grande City to Golden Glades (Florida) | 1,154.33 mi (1,857.71 km) |
| Rio Grande City to Golden Valley (Minnesota) | 1,321.01 mi (2,125.95 km) |
| Rio Grande City to Goldenrod (Florida) | 1,084.37 mi (1,745.12 km) |
| Rio Grande City to Goldsboro (North Carolina) | 1,379.87 mi (2,220.69 km) |
| Rio Grande City to Goleta (California) | 1,368.02 mi (2,201.62 km) |
