| South Portland to Bargas | 3,331.52 mi (5,361.56 km) |
| South Portland to Bayona | 3,039.50 mi (4,891.60 km) |
| South Portland to Baza | 3,471.74 mi (5,587.22 km) |
| South Portland to Beasain | 3,320.99 mi (5,344.61 km) |
| South Portland to Bejar | 3,235.37 mi (5,206.82 km) |
| South Portland to Benaguacil | 3,503.74 mi (5,638.72 km) |
| South Portland to Benahavis | 3,395.30 mi (5,464.21 km) |
| South Portland to Benalmadena | 3,418.02 mi (5,500.77 km) |
| South Portland to Benavente | 3,191.18 mi (5,135.71 km) |
| South Portland to Benetuser | 3,518.23 mi (5,662.04 km) |
| South Portland to Beniajan | 3,535.42 mi (5,689.71 km) |
| South Portland to Benicarlo | 3,523.14 mi (5,669.95 km) |
| South Portland to Benicasim | 3,518.73 mi (5,662.85 km) |
| South Portland to Beniel | 3,536.35 mi (5,691.21 km) |
| South Portland to Benifayo | 3,521.42 mi (5,667.18 km) |
