| South Portland to Arlesheim | 3,615.71 mi (5,818.92 km) |
| South Portland to Arth | 3,666.88 mi (5,901.27 km) |
| South Portland to Baar | 3,662.27 mi (5,893.85 km) |
| South Portland to Baden | 3,644.84 mi (5,865.80 km) |
| South Portland to Basel | 3,612.54 mi (5,813.82 km) |
| South Portland to Bassersdorf | 3,659.24 mi (5,888.98 km) |
| South Portland to Bellinzona | 3,716.07 mi (5,980.43 km) |
| South Portland to Belp | 3,629.25 mi (5,840.72 km) |
| South Portland to Bern | 3,625.39 mi (5,834.50 km) |
| South Portland to Bernex | 3,590.92 mi (5,779.02 km) |
| South Portland to Biberist | 3,622.73 mi (5,830.22 km) |
| South Portland to Biel/Bienne | 3,611.32 mi (5,811.86 km) |
| South Portland to Binningen | 3,612.20 mi (5,813.28 km) |
| South Portland to Birsfelden | 3,613.95 mi (5,816.08 km) |
| South Portland to Brig-Glis | 3,667.25 mi (5,901.88 km) |
