| Portland to Beyne-Heusay | 5,110.66 mi (8,224.81 km) |
| Portland to Bierbeek | 5,076.17 mi (8,169.31 km) |
| Portland to Bilzen | 5,093.16 mi (8,196.65 km) |
| Portland to Binche | 5,085.19 mi (8,183.82 km) |
| Portland to Bissegem | 5,037.38 mi (8,106.88 km) |
| Portland to Blankenberge | 5,007.96 mi (8,059.53 km) |
| Portland to Blegny | 5,109.91 mi (8,223.61 km) |
| Portland to Bocholt | 5,077.44 mi (8,171.35 km) |
| Portland to Boechout | 5,051.20 mi (8,129.13 km) |
| Portland to Bonheiden | 5,059.02 mi (8,141.70 km) |
| Portland to Boom | 5,051.99 mi (8,130.39 km) |
| Portland to Boortmeerbeek | 5,062.67 mi (8,147.58 km) |
| Portland to Borgerhout | 5,046.66 mi (8,121.82 km) |
| Portland to Borgloon | 5,092.47 mi (8,195.53 km) |
| Portland to Bornem | 5,047.67 mi (8,123.44 km) |
