| Portland to Borsbeek | 5,048.40 mi (8,124.61 km) |
| Portland to Boussu | 5,073.77 mi (8,165.44 km) |
| Portland to Braine-l'Alleud | 5,074.70 mi (8,166.95 km) |
| Portland to Braine-le-Chateau | 5,071.87 mi (8,162.38 km) |
| Portland to Braine-le-Comte | 5,073.12 mi (8,164.40 km) |
| Portland to Brasschaat | 5,043.33 mi (8,116.45 km) |
| Portland to Brecht | 5,043.76 mi (8,117.15 km) |
| Portland to Bredene | 5,008.00 mi (8,059.60 km) |
| Portland to Bree | 5,079.74 mi (8,175.05 km) |
| Portland to Bruges | 5,015.78 mi (8,072.12 km) |
| Portland to Brussels | 5,064.90 mi (8,151.16 km) |
| Portland to Buggenhout | 5,052.42 mi (8,131.08 km) |
| Portland to Chapelle-lez-Herlaimont | 5,084.44 mi (8,182.62 km) |
| Portland to Charleroi | 5,092.04 mi (8,194.84 km) |
| Portland to Chatelet | 5,094.17 mi (8,198.28 km) |
