| Boulder City to Borsbeek | 5,393.36 mi (8,679.78 km) |
| Boulder City to Boussu | 5,408.20 mi (8,703.66 km) |
| Boulder City to Braine-l'Alleud | 5,414.69 mi (8,714.11 km) |
| Boulder City to Braine-le-Chateau | 5,411.25 mi (8,708.56 km) |
| Boulder City to Braine-le-Comte | 5,410.99 mi (8,708.15 km) |
| Boulder City to Brasschaat | 5,389.10 mi (8,672.92 km) |
| Boulder City to Brecht | 5,390.86 mi (8,675.75 km) |
| Boulder City to Bredene | 5,344.27 mi (8,600.77 km) |
| Boulder City to Bree | 5,430.75 mi (8,739.95 km) |
| Boulder City to Bruges | 5,353.31 mi (8,615.33 km) |
| Boulder City to Brussels | 5,406.15 mi (8,700.35 km) |
| Boulder City to Buggenhout | 5,394.03 mi (8,680.85 km) |
| Boulder City to Chapelle-lez-Herlaimont | 5,422.12 mi (8,726.06 km) |
| Boulder City to Charleroi | 5,430.07 mi (8,738.86 km) |
| Boulder City to Chatelet | 5,432.72 mi (8,743.12 km) |
