| Karlovo to Bastogne | 1,038.83 mi (1,671.83 km) |
| Karlovo to Beauraing | 1,072.99 mi (1,726.80 km) |
| Karlovo to Beernem | 1,165.06 mi (1,874.99 km) |
| Karlovo to Beerse | 1,109.22 mi (1,785.12 km) |
| Karlovo to Beersel | 1,116.17 mi (1,796.30 km) |
| Karlovo to Begijnendijk | 1,103.96 mi (1,776.65 km) |
| Karlovo to Beloeil | 1,134.53 mi (1,825.85 km) |
| Karlovo to Berchem | 1,123.17 mi (1,807.56 km) |
| Karlovo to Beringen | 1,087.26 mi (1,749.78 km) |
| Karlovo to Berlaar | 1,112.06 mi (1,789.69 km) |
| Karlovo to Berlare | 1,135.40 mi (1,827.24 km) |
| Karlovo to Bernissart | 1,136.07 mi (1,828.33 km) |
| Karlovo to Bertem | 1,106.06 mi (1,780.03 km) |
| Karlovo to Bertrix | 1,054.39 mi (1,696.87 km) |
| Karlovo to Beveren | 1,130.24 mi (1,818.95 km) |
