| Webster Groves to Baraboo (Wisconsin) | 338.90 mi (545.41 km) |
| Webster Groves to Barberton (Ohio) | 493.50 mi (794.21 km) |
| Webster Groves to Bardstown (Kentucky) | 271.24 mi (436.51 km) |
| Webster Groves to Barrington (Illinois) | 272.74 mi (438.94 km) |
| Webster Groves to Barstow (California) | 1,494.92 mi (2,405.85 km) |
| Webster Groves to Bartlesville (Oklahoma) | 331.38 mi (533.31 km) |
| Webster Groves to Bartlett (Illinois) | 260.35 mi (418.99 km) |
| Webster Groves to Bartlett (Tennessee) | 233.54 mi (375.84 km) |
| Webster Groves to Bartow (Florida) | 887.67 mi (1,428.57 km) |
| Webster Groves to Batavia (Illinois) | 249.78 mi (401.98 km) |
| Webster Groves to Batavia (New York) | 705.10 mi (1,134.76 km) |
| Webster Groves to Batesville (Arkansas) | 206.83 mi (332.86 km) |
| Webster Groves to Baton Rouge (Louisiana) | 564.46 mi (908.42 km) |
| Webster Groves to Battle Creek (Michigan) | 371.88 mi (598.48 km) |
| Webster Groves to Battle Ground (Washington) | 1,708.10 mi (2,748.92 km) |
