| South Portland to Bunde | 3,516.71 mi (5,659.60 km) |
| South Portland to Burbach | 3,537.68 mi (5,693.35 km) |
| South Portland to Buren | 3,533.68 mi (5,686.91 km) |
| South Portland to Burg | 3,639.75 mi (5,857.61 km) |
| South Portland to Burgau | 3,701.10 mi (5,956.35 km) |
| South Portland to Burgdorf | 3,563.96 mi (5,735.63 km) |
| South Portland to Burghausen | 3,808.11 mi (6,128.56 km) |
| South Portland to Burgkirchen an der Alz | 3,803.40 mi (6,120.98 km) |
| South Portland to Burglengenfeld | 3,742.13 mi (6,022.37 km) |
| South Portland to Burgstadt | 3,718.33 mi (5,984.07 km) |
| South Portland to Burgthann | 3,708.53 mi (5,968.30 km) |
| South Portland to Burladingen | 3,652.55 mi (5,878.21 km) |
| South Portland to Burscheid | 3,489.11 mi (5,615.17 km) |
| South Portland to Burstadt | 3,584.76 mi (5,769.12 km) |
| South Portland to Buttelborn | 3,579.34 mi (5,760.40 km) |
