| Slough to Barberton (Ohio) | 3,735.17 mi (6,011.18 km) |
| Slough to Bardstown (Kentucky) | 4,035.44 mi (6,494.42 km) |
| Slough to Barrington (Illinois) | 3,936.28 mi (6,334.84 km) |
| Slough to Barstow (California) | 5,340.68 mi (8,594.99 km) |
| Slough to Bartlesville (Oklahoma) | 4,495.56 mi (7,234.91 km) |
| Slough to Bartlett (Illinois) | 3,947.23 mi (6,352.45 km) |
| Slough to Bartlett (Tennessee) | 4,333.40 mi (6,973.93 km) |
| Slough to Bartow (Florida) | 4,370.88 mi (7,034.25 km) |
| Slough to Batavia (Illinois) | 3,957.33 mi (6,368.71 km) |
| Slough to Batavia (New York) | 3,512.15 mi (5,652.26 km) |
| Slough to Batesville (Arkansas) | 4,377.76 mi (7,045.33 km) |
| Slough to Baton Rouge (Louisiana) | 4,626.02 mi (7,444.86 km) |
| Slough to Battle Creek (Michigan) | 3,818.63 mi (6,145.49 km) |
| Slough to Battle Ground (Washington) | 4,882.16 mi (7,857.08 km) |
| Slough to Bay City (Michigan) | 3,709.11 mi (5,969.23 km) |
