| Keystone to Beocin | 5,413.88 mi (8,712.80 km) |
| Keystone to Blace | 5,545.07 mi (8,923.93 km) |
| Keystone to Bogatic | 5,415.17 mi (8,714.87 km) |
| Keystone to Bojnik | 5,573.52 mi (8,969.71 km) |
| Keystone to Boljevac | 5,555.66 mi (8,940.97 km) |
| Keystone to Bor | 5,551.61 mi (8,934.46 km) |
| Keystone to Borca | 5,455.52 mi (8,779.81 km) |
| Keystone to Bosilegrad | 5,624.48 mi (9,051.73 km) |
| Keystone to Brus | 5,530.92 mi (8,901.16 km) |
| Keystone to Bujanovac | 5,594.61 mi (9,003.65 km) |
| Keystone to Cacak | 5,483.94 mi (8,825.55 km) |
| Keystone to Cajetina | 5,461.01 mi (8,788.64 km) |
| Keystone to Cicevac | 5,537.67 mi (8,912.02 km) |
| Keystone to Coka | 5,407.44 mi (8,702.44 km) |
| Keystone to Crna Trava | 5,606.02 mi (9,022.02 km) |
