| Webster Groves to Brown Deer (Wisconsin) | 340.44 mi (547.88 km) |
| Webster Groves to Brownsburg (Indiana) | 229.38 mi (369.15 km) |
| Webster Groves to Brownsville (Florida) | 1,060.19 mi (1,706.20 km) |
| Webster Groves to Brownsville (Texas) | 962.88 mi (1,549.61 km) |
| Webster Groves to Brownwood (Texas) | 679.70 mi (1,093.87 km) |
| Webster Groves to Brunswick (Georgia) | 718.85 mi (1,156.88 km) |
| Webster Groves to Brunswick (Ohio) | 487.91 mi (785.22 km) |
| Webster Groves to Brushy Creek (Texas) | 697.84 mi (1,123.07 km) |
| Webster Groves to Bryan (Texas) | 645.35 mi (1,038.59 km) |
| Webster Groves to Bryant (Arkansas) | 298.88 mi (481.00 km) |
| Webster Groves to Bryn Mawr-Skyway (Washington) | 1,709.15 mi (2,750.62 km) |
| Webster Groves to Buckeye (Arizona) | 1,291.97 mi (2,079.23 km) |
| Webster Groves to Buckhall (Virginia) | 695.89 mi (1,119.93 km) |
| Webster Groves to Bucyrus (Ohio) | 421.18 mi (677.83 km) |
| Webster Groves to Buda (Texas) | 726.46 mi (1,169.12 km) |
