| Potomac to Bridgeport (Connecticut) | 259.38 mi (417.43 km) |
| Potomac to Bridgeton (Missouri) | 711.24 mi (1,144.63 km) |
| Potomac to Bridgetown (Ohio) | 399.11 mi (642.31 km) |
| Potomac to Bridgeview (Illinois) | 589.01 mi (947.92 km) |
| Potomac to Brigham City (Utah) | 1,833.16 mi (2,950.19 km) |
| Potomac to Brighton (Colorado) | 1,467.34 mi (2,361.45 km) |
| Potomac to Bristol (Connecticut) | 289.98 mi (466.68 km) |
| Potomac to Bristol (Tennessee) | 322.40 mi (518.85 km) |
| Potomac to Bristol (Virginia) | 317.54 mi (511.04 km) |
| Potomac to Broadlands (Virginia) | 17.31 mi (27.86 km) |
| Potomac to Broadview Heights (Ohio) | 285.27 mi (459.10 km) |
| Potomac to Brock Hall (Maryland) | 26.33 mi (42.38 km) |
| Potomac to Brockton (Massachusetts) | 386.97 mi (622.77 km) |
| Potomac to Broken Arrow (Oklahoma) | 1,037.07 mi (1,669.00 km) |
| Potomac to Bronx (New York) | 217.19 mi (349.53 km) |
