| Portland to Brie-Comte-Robert | 5,139.42 mi (8,271.09 km) |
| Portland to Brignais | 5,367.59 mi (8,638.29 km) |
| Portland to Brignoles | 5,533.38 mi (8,905.12 km) |
| Portland to Brive-la-Gaillarde | 5,305.51 mi (8,538.40 km) |
| Portland to Bron | 5,368.25 mi (8,639.36 km) |
| Portland to Bruay-sur-l'Escaut | 5,069.06 mi (8,157.86 km) |
| Portland to Bruges | 5,257.48 mi (8,461.10 km) |
| Portland to Brumath | 5,270.08 mi (8,481.37 km) |
| Portland to Brunoy | 5,136.22 mi (8,265.95 km) |
| Portland to Bruz | 5,053.69 mi (8,133.12 km) |
| Portland to Bry-sur-Marne | 5,128.75 mi (8,253.93 km) |
| Portland to Bully-les-Mines | 5,045.33 mi (8,119.68 km) |
| Portland to Bures-sur-Yvette | 5,126.96 mi (8,251.05 km) |
| Portland to Bussy-Saint-Georges | 5,133.45 mi (8,261.49 km) |
| Portland to Buxerolles | 5,191.85 mi (8,355.48 km) |
