| Katy to Yonkers (New York) | 1,451.74 mi (2,336.35 km) |
| Katy to Yorba Linda (California) | 1,315.61 mi (2,117.27 km) |
| Katy to York (Pennsylvania) | 1,286.70 mi (2,070.74 km) |
| Katy to Yorktown (Indiana) | 924.36 mi (1,487.62 km) |
| Katy to Yorkville (Illinois) | 917.65 mi (1,476.82 km) |
| Katy to Youngstown (Ohio) | 1,155.01 mi (1,858.81 km) |
| Katy to Youngsville (Louisiana) | 230.77 mi (371.39 km) |
| Katy to Ypsilanti (Michigan) | 1,095.89 mi (1,763.66 km) |
| Katy to Yuba City (California) | 1,598.17 mi (2,572.00 km) |
| Katy to Yucaipa (California) | 1,275.37 mi (2,052.51 km) |
| Katy to Yucca Valley (California) | 1,241.00 mi (1,997.20 km) |
| Katy to Yukon (Oklahoma) | 411.44 mi (662.15 km) |
| Katy to Yulee (Florida) | 853.30 mi (1,373.26 km) |
| Katy to Yuma (Arizona) | 1,121.40 mi (1,804.72 km) |
| Katy to Zachary (Louisiana) | 285.34 mi (459.21 km) |
