| Rio Grande City to Germantown (Tennessee) | 805.23 mi (1,295.90 km) |
| Rio Grande City to Germantown (Wisconsin) | 1,310.55 mi (2,109.13 km) |
| Rio Grande City to Gibsonton (Florida) | 1,015.64 mi (1,634.51 km) |
| Rio Grande City to Gig Harbor (Washington) | 1,939.71 mi (3,121.67 km) |
| Rio Grande City to Gilbert (Arizona) | 909.45 mi (1,463.61 km) |
| Rio Grande City to Gillette (Wyoming) | 1,291.25 mi (2,078.07 km) |
| Rio Grande City to Gilroy (California) | 1,520.60 mi (2,447.16 km) |
| Rio Grande City to Gladeview (Florida) | 1,152.65 mi (1,855.01 km) |
| Rio Grande City to Gladstone (Missouri) | 920.24 mi (1,480.98 km) |
| Rio Grande City to Gladstone (Oregon) | 1,855.92 mi (2,986.81 km) |
| Rio Grande City to Glasgow (Delaware) | 1,611.59 mi (2,593.61 km) |
| Rio Grande City to Glasgow (Kentucky) | 1,053.25 mi (1,695.05 km) |
| Rio Grande City to Glassboro (New Jersey) | 1,644.85 mi (2,647.12 km) |
| Rio Grande City to Glassmanor (Maryland) | 1,527.87 mi (2,458.87 km) |
| Rio Grande City to Glen Allen (Virginia) | 1,467.72 mi (2,362.07 km) |
