| Katy to Brown Deer (Wisconsin) | 1,021.47 mi (1,643.90 km) |
| Katy to Brownsburg (Indiana) | 875.80 mi (1,409.46 km) |
| Katy to Brownsville (Florida) | 990.72 mi (1,594.41 km) |
| Katy to Brownsville (Texas) | 280.17 mi (450.89 km) |
| Katy to Brownwood (Texas) | 228.96 mi (368.48 km) |
| Katy to Brunswick (Georgia) | 859.71 mi (1,383.56 km) |
| Katy to Brunswick (Ohio) | 1,114.21 mi (1,793.15 km) |
| Katy to Brushy Creek (Texas) | 124.18 mi (199.85 km) |
| Katy to Bryan (Texas) | 68.64 mi (110.46 km) |
| Katy to Bryant (Arkansas) | 386.38 mi (621.82 km) |
| Katy to Bryn Mawr-Skyway (Washington) | 1,861.55 mi (2,995.88 km) |
| Katy to Buckeye (Arizona) | 1,019.19 mi (1,640.22 km) |
| Katy to Buckhall (Virginia) | 1,214.60 mi (1,954.71 km) |
| Katy to Bucyrus (Ohio) | 1,049.08 mi (1,688.34 km) |
| Katy to Buda (Texas) | 122.16 mi (196.59 km) |
