| Rio Grande City to Tulare (California) | 1,384.22 mi (2,227.69 km) |
| Rio Grande City to Tullahoma (Tennessee) | 970.38 mi (1,561.68 km) |
| Rio Grande City to Tulsa (Oklahoma) | 695.07 mi (1,118.61 km) |
| Rio Grande City to Tumwater (Washington) | 1,936.20 mi (3,116.02 km) |
| Rio Grande City to Tupelo (Mississippi) | 811.03 mi (1,305.22 km) |
| Rio Grande City to Turlock (California) | 1,497.66 mi (2,410.26 km) |
| Rio Grande City to Tuscaloosa (Alabama) | 825.43 mi (1,328.40 km) |
| Rio Grande City to Tustin (California) | 1,241.36 mi (1,997.78 km) |
| Rio Grande City to Twentynine Palms (California) | 1,158.31 mi (1,864.12 km) |
| Rio Grande City to Twin Falls (Idaho) | 1,424.63 mi (2,292.71 km) |
| Rio Grande City to Twin Rivers (New Jersey) | 1,691.67 mi (2,722.48 km) |
| Rio Grande City to Twinsburg (Ohio) | 1,429.75 mi (2,300.97 km) |
| Rio Grande City to Two Rivers (Wisconsin) | 1,379.08 mi (2,219.42 km) |
| Rio Grande City to Tyler (Texas) | 461.57 mi (742.82 km) |
| Rio Grande City to Tysons (Virginia) | 1,519.64 mi (2,445.62 km) |
