| Portland to Blumberg | 5,342.49 mi (8,597.90 km) |
| Portland to Bobenheim-Roxheim | 5,236.96 mi (8,428.07 km) |
| Portland to Bobingen | 5,373.35 mi (8,647.57 km) |
| Portland to Boblingen | 5,305.15 mi (8,537.82 km) |
| Portland to Bocholt | 5,065.34 mi (8,151.88 km) |
| Portland to Bochum | 5,099.86 mi (8,207.44 km) |
| Portland to Bockenem | 5,137.45 mi (8,267.93 km) |
| Portland to Bockhorn | 5,008.76 mi (8,060.83 km) |
| Portland to Bogen | 5,378.45 mi (8,655.77 km) |
| Portland to Bohl-Iggelheim | 5,247.98 mi (8,445.81 km) |
| Portland to Bohmte | 5,075.12 mi (8,167.61 km) |
| Portland to Boizenburg | 5,071.26 mi (8,161.40 km) |
| Portland to Bonen | 5,106.19 mi (8,217.62 km) |
| Portland to Bonn | 5,139.92 mi (8,271.91 km) |
| Portland to Bopfingen | 5,327.48 mi (8,573.76 km) |
