| Rio Grande City to Town and Country (Missouri) | 975.02 mi (1,569.14 km) |
| Rio Grande City to Towson (Maryland) | 1,563.84 mi (2,516.75 km) |
| Rio Grande City to Tracy (California) | 1,533.57 mi (2,468.04 km) |
| Rio Grande City to Traverse City (Michigan) | 1,466.50 mi (2,360.10 km) |
| Rio Grande City to Travilah (Maryland) | 1,523.17 mi (2,451.31 km) |
| Rio Grande City to Trenton (Michigan) | 1,402.99 mi (2,257.89 km) |
| Rio Grande City to Trenton (New Jersey) | 1,677.65 mi (2,699.92 km) |
| Rio Grande City to Trenton (Ohio) | 1,226.61 mi (1,974.05 km) |
| Rio Grande City to Triangle (Virginia) | 1,503.15 mi (2,419.09 km) |
| Rio Grande City to Trinity (Florida) | 999.56 mi (1,608.63 km) |
| Rio Grande City to Trophy Club (Texas) | 467.96 mi (753.10 km) |
| Rio Grande City to Trotwood (Ohio) | 1,247.12 mi (2,007.05 km) |
| Rio Grande City to Troutdale (Oregon) | 1,854.58 mi (2,984.66 km) |
| Rio Grande City to Troy (Alabama) | 860.96 mi (1,385.58 km) |
| Rio Grande City to Troy (Illinois) | 997.63 mi (1,605.52 km) |
