| Portland to Boppard | 5,180.74 mi (8,337.60 km) |
| Portland to Borgentreich | 5,143.12 mi (8,277.05 km) |
| Portland to Borgholzhausen | 5,090.10 mi (8,191.72 km) |
| Portland to Borken | 5,071.37 mi (8,161.59 km) |
| Portland to Borna | 5,243.26 mi (8,438.21 km) |
| Portland to Bornheim | 5,136.12 mi (8,265.78 km) |
| Portland to Bosel | 5,029.95 mi (8,094.92 km) |
| Portland to Bottrop | 5,090.34 mi (8,192.12 km) |
| Portland to Bovenden | 5,157.31 mi (8,299.89 km) |
| Portland to Brackenheim | 5,283.24 mi (8,502.55 km) |
| Portland to Brake | 5,023.27 mi (8,084.17 km) |
| Portland to Brakel | 5,132.86 mi (8,260.53 km) |
| Portland to Bramsche | 5,065.42 mi (8,152.00 km) |
| Portland to Brand | 5,116.00 mi (8,233.41 km) |
| Portland to Brand-Erbisdorf | 5,276.09 mi (8,491.05 km) |
