| Potomac to Bargas | 3,785.63 mi (6,092.39 km) |
| Potomac to Bayona | 3,495.35 mi (5,625.23 km) |
| Potomac to Baza | 3,919.60 mi (6,307.99 km) |
| Potomac to Beasain | 3,785.44 mi (6,092.08 km) |
| Potomac to Bejar | 3,688.88 mi (5,936.68 km) |
| Potomac to Benaguacil | 3,960.72 mi (6,374.16 km) |
| Potomac to Benahavis | 3,836.47 mi (6,174.20 km) |
| Potomac to Benalmadena | 3,860.30 mi (6,212.55 km) |
| Potomac to Benavente | 3,649.78 mi (5,873.75 km) |
| Potomac to Benetuser | 3,974.95 mi (6,397.07 km) |
| Potomac to Beniajan | 3,987.14 mi (6,416.68 km) |
| Potomac to Benicarlo | 3,983.38 mi (6,410.63 km) |
| Potomac to Benicasim | 3,977.67 mi (6,401.44 km) |
| Potomac to Beniel | 3,988.35 mi (6,418.62 km) |
| Potomac to Benifayo | 3,977.72 mi (6,401.52 km) |
