| Port Huron to Beocin | 4,696.35 mi (7,558.04 km) |
| Port Huron to Blace | 4,840.15 mi (7,789.47 km) |
| Port Huron to Bogatic | 4,703.05 mi (7,568.82 km) |
| Port Huron to Bojnik | 4,869.16 mi (7,836.16 km) |
| Port Huron to Boljevac | 4,841.17 mi (7,791.11 km) |
| Port Huron to Bor | 4,832.98 mi (7,777.93 km) |
| Port Huron to Borca | 4,737.83 mi (7,624.80 km) |
| Port Huron to Bosilegrad | 4,921.36 mi (7,920.16 km) |
| Port Huron to Brus | 4,826.40 mi (7,767.34 km) |
| Port Huron to Bujanovac | 4,895.97 mi (7,879.30 km) |
| Port Huron to Cacak | 4,777.61 mi (7,688.82 km) |
| Port Huron to Cajetina | 4,759.76 mi (7,660.09 km) |
| Port Huron to Cicevac | 4,827.15 mi (7,768.55 km) |
| Port Huron to Coka | 4,679.66 mi (7,531.19 km) |
| Port Huron to Crna Trava | 4,900.55 mi (7,886.67 km) |
