| Potomac to Beverly Hills (California) | 2,292.92 mi (3,690.10 km) |
| Potomac to Beverly Hills (Florida) | 759.55 mi (1,222.38 km) |
| Potomac to Beverly Hills (Michigan) | 398.45 mi (641.25 km) |
| Potomac to Bexley (Ohio) | 312.98 mi (503.69 km) |
| Potomac to Biddeford (Maine) | 465.99 mi (749.93 km) |
| Potomac to Big Bear City (California) | 2,202.39 mi (3,544.40 km) |
| Potomac to Big Lake (Minnesota) | 950.98 mi (1,530.46 km) |
| Potomac to Big Spring (Texas) | 1,436.77 mi (2,312.26 km) |
| Potomac to Billings (Montana) | 1,655.01 mi (2,663.49 km) |
| Potomac to Biloxi (Mississippi) | 891.03 mi (1,433.97 km) |
| Potomac to Binghamton (New York) | 223.71 mi (360.03 km) |
| Potomac to Birmingham (Alabama) | 655.00 mi (1,054.12 km) |
| Potomac to Birmingham (Michigan) | 398.30 mi (641.00 km) |
| Potomac to Bismarck (North Dakota) | 1,302.43 mi (2,096.06 km) |
| Potomac to Bithlo (Florida) | 755.94 mi (1,216.57 km) |
