| Katy to Rancho Cordova (California) | 1,567.79 mi (2,523.12 km) |
| Katy to Rancho Cucamonga (California) | 1,305.91 mi (2,101.65 km) |
| Katy to Rancho Mirage (California) | 1,237.96 mi (1,992.31 km) |
| Katy to Rancho Palos Verdes (California) | 1,348.44 mi (2,170.11 km) |
| Katy to Rancho San Diego (California) | 1,259.72 mi (2,027.32 km) |
| Katy to Rancho Santa Margarita (California) | 1,303.86 mi (2,098.36 km) |
| Katy to Randallstown (Maryland) | 1,265.07 mi (2,035.93 km) |
| Katy to Rantoul (Illinois) | 845.53 mi (1,360.75 km) |
| Katy to Rapid City (South Dakota) | 1,066.58 mi (1,716.49 km) |
| Katy to Ravenna (Ohio) | 1,133.41 mi (1,824.04 km) |
| Katy to Raymondville (Texas) | 257.75 mi (414.81 km) |
| Katy to Raymore (Missouri) | 627.61 mi (1,010.05 km) |
| Katy to Raytown (Missouri) | 640.69 mi (1,031.09 km) |
| Katy to Reading (Ohio) | 918.45 mi (1,478.10 km) |
| Katy to Reading (Pennsylvania) | 1,336.33 mi (2,150.61 km) |
