| Boulder to Blansko | 5,321.91 mi (8,564.79 km) |
| Boulder to Bohumin | 5,344.51 mi (8,601.16 km) |
| Boulder to Boskovice | 5,316.02 mi (8,555.31 km) |
| Boulder to Brandys nad Labem-Stara Boleslav | 5,220.24 mi (8,401.16 km) |
| Boulder to Breclav | 5,360.27 mi (8,626.51 km) |
| Boulder to Brevnov | 5,216.17 mi (8,394.61 km) |
| Boulder to Brno | 5,329.65 mi (8,577.24 km) |
| Boulder to Bruntal | 5,314.03 mi (8,552.11 km) |
| Boulder to Bystrc | 5,325.45 mi (8,570.48 km) |
| Boulder to Caslav | 5,256.29 mi (8,459.19 km) |
| Boulder to Celakovice | 5,224.20 mi (8,407.54 km) |
| Boulder to Ceska Lipa | 5,191.27 mi (8,354.55 km) |
| Boulder to Ceska Trebova | 5,288.37 mi (8,510.81 km) |
| Boulder to Ceske Budejovice | 5,275.49 mi (8,490.08 km) |
| Boulder to Cesky Krumlov | 5,278.77 mi (8,495.36 km) |
