| Rockville to Beocin | 4,667.81 mi (7,512.11 km) |
| Rockville to Blace | 4,805.52 mi (7,733.73 km) |
| Rockville to Bogatic | 4,671.61 mi (7,518.23 km) |
| Rockville to Bojnik | 4,834.37 mi (7,780.16 km) |
| Rockville to Boljevac | 4,811.66 mi (7,743.62 km) |
| Rockville to Bor | 4,805.67 mi (7,733.97 km) |
| Rockville to Borca | 4,709.57 mi (7,579.32 km) |
| Rockville to Bosilegrad | 4,886.16 mi (7,863.51 km) |
| Rockville to Brus | 4,791.49 mi (7,711.16 km) |
| Rockville to Bujanovac | 4,858.28 mi (7,818.65 km) |
| Rockville to Cacak | 4,743.43 mi (7,633.81 km) |
| Rockville to Cajetina | 4,722.79 mi (7,600.60 km) |
| Rockville to Cicevac | 4,795.44 mi (7,717.52 km) |
| Rockville to Coka | 4,656.65 mi (7,494.15 km) |
| Rockville to Crna Trava | 4,866.50 mi (7,831.87 km) |
