| Rio Grande City to Austin (Minnesota) | 1,238.77 mi (1,993.60 km) |
| Rio Grande City to Austin (Texas) | 278.52 mi (448.23 km) |
| Rio Grande City to Austintown (Ohio) | 1,447.73 mi (2,329.89 km) |
| Rio Grande City to Avenal (California) | 1,419.65 mi (2,284.71 km) |
| Rio Grande City to Avenel (New Jersey) | 1,712.11 mi (2,755.38 km) |
| Rio Grande City to Aventura (Florida) | 1,158.00 mi (1,863.62 km) |
| Rio Grande City to Avocado Heights (California) | 1,258.51 mi (2,025.38 km) |
| Rio Grande City to Avon (Indiana) | 1,168.99 mi (1,881.31 km) |
| Rio Grande City to Avon (Ohio) | 1,413.27 mi (2,274.43 km) |
| Rio Grande City to Avon Lake (Ohio) | 1,415.51 mi (2,278.04 km) |
| Rio Grande City to Avondale (Arizona) | 941.39 mi (1,515.03 km) |
| Rio Grande City to Azalea Park (Florida) | 1,083.83 mi (1,744.25 km) |
| Rio Grande City to Azle (Texas) | 456.66 mi (734.92 km) |
| Rio Grande City to Azusa (California) | 1,256.30 mi (2,021.82 km) |
| Rio Grande City to Bacliff (Texas) | 318.43 mi (512.46 km) |
