| Keystone to Baraboo (Wisconsin) | 1,131.63 mi (1,821.18 km) |
| Keystone to Barberton (Ohio) | 891.59 mi (1,434.87 km) |
| Keystone to Bardstown (Kentucky) | 689.31 mi (1,109.33 km) |
| Keystone to Barrington (Illinois) | 1,017.21 mi (1,637.04 km) |
| Keystone to Barstow (California) | 2,071.25 mi (3,333.36 km) |
| Keystone to Bartlesville (Oklahoma) | 977.70 mi (1,573.45 km) |
| Keystone to Bartlett (Illinois) | 1,007.46 mi (1,621.34 km) |
| Keystone to Bartlett (Tennessee) | 648.42 mi (1,043.53 km) |
| Keystone to Bartow (Florida) | 50.40 mi (81.11 km) |
| Keystone to Batavia (Illinois) | 1,000.72 mi (1,610.50 km) |
| Keystone to Batavia (New York) | 1,056.43 mi (1,700.16 km) |
| Keystone to Batesville (Arkansas) | 746.47 mi (1,201.33 km) |
| Keystone to Baton Rouge (Louisiana) | 538.16 mi (866.08 km) |
| Keystone to Battle Creek (Michigan) | 989.91 mi (1,593.11 km) |
| Keystone to Battle Ground (Washington) | 2,484.40 mi (3,998.25 km) |
