| Round Lake to Borsbeek | 4,127.20 mi (6,642.08 km) |
| Round Lake to Boussu | 4,129.03 mi (6,645.04 km) |
| Round Lake to Braine-l'Alleud | 4,141.72 mi (6,665.45 km) |
| Round Lake to Braine-le-Chateau | 4,137.70 mi (6,658.98 km) |
| Round Lake to Braine-le-Comte | 4,135.70 mi (6,655.77 km) |
| Round Lake to Brasschaat | 4,124.09 mi (6,637.08 km) |
| Round Lake to Brecht | 4,127.36 mi (6,642.35 km) |
| Round Lake to Bredene | 4,069.96 mi (6,549.97 km) |
| Round Lake to Bree | 4,170.21 mi (6,711.30 km) |
| Round Lake to Bruges | 4,080.10 mi (6,566.29 km) |
| Round Lake to Brussels | 4,135.02 mi (6,654.68 km) |
| Round Lake to Buggenhout | 4,123.85 mi (6,636.69 km) |
| Round Lake to Chapelle-lez-Herlaimont | 4,146.13 mi (6,672.55 km) |
| Round Lake to Charleroi | 4,154.16 mi (6,685.48 km) |
| Round Lake to Chatelet | 4,157.29 mi (6,690.51 km) |
