| South Portland to Aleksandrow Lodzki | 3,933.92 mi (6,331.04 km) |
| South Portland to Andrychow | 4,004.88 mi (6,445.23 km) |
| South Portland to Augustow | 3,994.08 mi (6,427.86 km) |
| South Portland to Banino | 3,814.56 mi (6,138.95 km) |
| South Portland to Barlinek | 3,743.07 mi (6,023.89 km) |
| South Portland to Bartoszyce | 3,903.69 mi (6,282.38 km) |
| South Portland to Bedzin | 3,979.25 mi (6,403.98 km) |
| South Portland to Belchatow | 3,952.09 mi (6,360.27 km) |
| South Portland to Biala Podlaska | 4,065.00 mi (6,541.99 km) |
| South Portland to Bialogard | 3,740.32 mi (6,019.46 km) |
| South Portland to Bialy Kamien | 3,854.99 mi (6,204.00 km) |
| South Portland to Bialystok | 4,025.55 mi (6,478.49 km) |
| South Portland to Bielawa | 3,871.57 mi (6,230.70 km) |
| South Portland to Bielsk Podlaski | 4,040.95 mi (6,503.28 km) |
| South Portland to Bielsko-Biala | 3,994.74 mi (6,428.91 km) |
