| Katy to Romeoville (Illinois) | 925.15 mi (1,488.89 km) |
| Katy to Romulus (Michigan) | 1,103.67 mi (1,776.19 km) |
| Katy to Ronkonkoma (New York) | 1,483.00 mi (2,386.65 km) |
| Katy to Roosevelt (New York) | 1,457.55 mi (2,345.71 km) |
| Katy to Rosamond (California) | 1,349.65 mi (2,172.05 km) |
| Katy to Rosaryville (Maryland) | 1,246.28 mi (2,005.70 km) |
| Katy to Roscoe (Illinois) | 951.72 mi (1,531.64 km) |
| Katy to Rose Hill (Virginia) | 1,233.02 mi (1,984.35 km) |
| Katy to Roseburg (Oregon) | 1,775.44 mi (2,857.30 km) |
| Katy to Rosedale (California) | 1,410.59 mi (2,270.13 km) |
| Katy to Rosedale (Maryland) | 1,277.90 mi (2,056.58 km) |
| Katy to Roselle (Illinois) | 946.40 mi (1,523.08 km) |
| Katy to Roselle (New Jersey) | 1,424.54 mi (2,292.58 km) |
| Katy to Roselle Park (New Jersey) | 1,424.59 mi (2,292.66 km) |
| Katy to Rosemead (California) | 1,334.72 mi (2,148.03 km) |
