| Katy to The Villages (Florida) | 835.68 mi (1,344.89 km) |
| Katy to The Woodlands (Texas) | 32.75 mi (52.70 km) |
| Katy to Thibodaux (Louisiana) | 301.02 mi (484.45 km) |
| Katy to Thomasville (Georgia) | 710.59 mi (1,143.58 km) |
| Katy to Thomasville (North Carolina) | 1,005.13 mi (1,617.61 km) |
| Katy to Thonotosassa (Florida) | 827.45 mi (1,331.64 km) |
| Katy to Thornton (Colorado) | 868.69 mi (1,398.01 km) |
| Katy to Thousand Oaks (California) | 1,380.76 mi (2,222.12 km) |
| Katy to Three Lakes (Florida) | 985.72 mi (1,586.36 km) |
| Katy to Tiffin (Ohio) | 1,055.84 mi (1,699.22 km) |
| Katy to Tifton (Georgia) | 740.83 mi (1,192.26 km) |
| Katy to Tigard (Oregon) | 1,813.79 mi (2,919.01 km) |
| Katy to Tillmans Corner (Alabama) | 458.43 mi (737.77 km) |
| Katy to Timberlake (Virginia) | 1,085.18 mi (1,746.43 km) |
| Katy to Timberlane (Louisiana) | 347.95 mi (559.96 km) |
