| Boulder City to Beocin | 6,163.04 mi (9,918.46 km) |
| Boulder City to Blace | 6,315.22 mi (10,163.36 km) |
| Boulder City to Bogatic | 6,176.67 mi (9,940.38 km) |
| Boulder City to Bojnik | 6,343.26 mi (10,208.50 km) |
| Boulder City to Boljevac | 6,303.22 mi (10,144.05 km) |
| Boulder City to Bor | 6,289.81 mi (10,122.47 km) |
| Boulder City to Borca | 6,201.78 mi (9,980.81 km) |
| Boulder City to Bosilegrad | 6,394.01 mi (10,290.17 km) |
| Boulder City to Brus | 6,302.81 mi (10,143.39 km) |
| Boulder City to Bujanovac | 6,376.06 mi (10,261.29 km) |
| Boulder City to Cacak | 6,254.52 mi (10,065.67 km) |
| Boulder City to Cajetina | 6,244.42 mi (10,049.42 km) |
| Boulder City to Cicevac | 6,295.47 mi (10,131.59 km) |
| Boulder City to Coka | 6,133.16 mi (9,870.37 km) |
| Boulder City to Crna Trava | 6,371.29 mi (10,253.60 km) |
