| Katy to Roy (Utah) | 1,200.69 mi (1,932.32 km) |
| Katy to Royal Kunia (Hawaii) | 3,873.96 mi (6,234.53 km) |
| Katy to Royal Oak (Michigan) | 1,125.46 mi (1,811.25 km) |
| Katy to Royal Palm Beach (Florida) | 972.96 mi (1,565.84 km) |
| Katy to Royse City (Texas) | 221.94 mi (357.18 km) |
| Katy to Ruskin (Florida) | 824.75 mi (1,327.31 km) |
| Katy to Russellville (Alabama) | 575.03 mi (925.43 km) |
| Katy to Russellville (Arkansas) | 410.24 mi (660.22 km) |
| Katy to Ruston (Louisiana) | 267.69 mi (430.80 km) |
| Katy to Rutherford (New Jersey) | 1,436.76 mi (2,312.24 km) |
| Katy to Rutland (Vermont) | 1,576.84 mi (2,537.69 km) |
| Katy to Sabana Grande (Puerto Rico) | 1,986.98 mi (3,197.73 km) |
| Katy to Sachse (Texas) | 224.20 mi (360.81 km) |
| Katy to Saco (Maine) | 1,686.07 mi (2,713.47 km) |
| Katy to Sacramento (California) | 1,578.95 mi (2,541.08 km) |
