| Katy to Somersworth (New Hampshire) | 1,658.35 mi (2,668.85 km) |
| Katy to Somerton (Arizona) | 1,130.13 mi (1,818.76 km) |
| Katy to Somerville (Massachusetts) | 1,623.15 mi (2,612.21 km) |
| Katy to Somerville (New Jersey) | 1,405.52 mi (2,261.96 km) |
| Katy to Sonoma (California) | 1,626.39 mi (2,617.42 km) |
| Katy to Soquel (California) | 1,580.55 mi (2,543.65 km) |
| Katy to South Bend (Indiana) | 979.50 mi (1,576.36 km) |
| Katy to South Bradenton (Florida) | 819.22 mi (1,318.40 km) |
| Katy to South Burlington (Vermont) | 1,596.60 mi (2,569.49 km) |
| Katy to South Charleston (West Virginia) | 999.18 mi (1,608.02 km) |
| Katy to South Daytona (Florida) | 892.42 mi (1,436.22 km) |
| Katy to South El Monte (California) | 1,332.64 mi (2,144.67 km) |
| Katy to South Elgin (Illinois) | 941.28 mi (1,514.85 km) |
| Katy to South Euclid (Ohio) | 1,138.33 mi (1,831.97 km) |
| Katy to South Farmingdale (New York) | 1,465.14 mi (2,357.92 km) |
