| Duncan to Borsbeek | 4,882.85 mi (7,858.19 km) |
| Duncan to Boussu | 4,884.85 mi (7,861.41 km) |
| Duncan to Braine-l'Alleud | 4,897.49 mi (7,881.75 km) |
| Duncan to Braine-le-Chateau | 4,893.47 mi (7,875.29 km) |
| Duncan to Braine-le-Comte | 4,891.50 mi (7,872.10 km) |
| Duncan to Brasschaat | 4,879.72 mi (7,853.14 km) |
| Duncan to Brecht | 4,882.96 mi (7,858.36 km) |
| Duncan to Bredene | 4,825.73 mi (7,766.26 km) |
| Duncan to Bree | 4,925.75 mi (7,927.23 km) |
| Duncan to Bruges | 4,835.86 mi (7,782.56 km) |
| Duncan to Brussels | 4,890.77 mi (7,870.93 km) |
| Duncan to Buggenhout | 4,879.57 mi (7,852.92 km) |
| Duncan to Chapelle-lez-Herlaimont | 4,901.93 mi (7,888.89 km) |
| Duncan to Charleroi | 4,909.97 mi (7,901.83 km) |
| Duncan to Chatelet | 4,913.09 mi (7,906.85 km) |
