| South Portland to Baykan | 5,370.69 mi (8,643.30 km) |
| South Portland to Bayramic | 4,696.61 mi (7,558.47 km) |
| South Portland to Beldibi | 4,896.18 mi (7,879.64 km) |
| South Portland to Belen | 5,237.66 mi (8,429.21 km) |
| South Portland to Bergama | 4,750.77 mi (7,645.63 km) |
| South Portland to Besikduzu | 5,133.20 mi (8,261.08 km) |
| South Portland to Besiri | 5,364.44 mi (8,633.23 km) |
| South Portland to Besni | 5,244.70 mi (8,440.53 km) |
| South Portland to Beydag | 4,840.11 mi (7,789.41 km) |
| South Portland to Beykoz | 4,739.10 mi (7,626.84 km) |
| South Portland to Beylikduzu | 4,726.97 mi (7,607.33 km) |
| South Portland to Beypazari | 4,894.93 mi (7,877.63 km) |
| South Portland to Beysehir | 5,001.91 mi (8,049.80 km) |
| South Portland to Biga | 4,704.35 mi (7,570.92 km) |
| South Portland to Bigadic | 4,777.52 mi (7,688.68 km) |
