| Port Huron to Barberino di Mugello | 4,415.45 mi (7,105.98 km) |
| Port Huron to Barcellona-Pozzo di Gotto | 4,826.06 mi (7,766.79 km) |
| Port Huron to Bareggio | 4,266.77 mi (6,866.71 km) |
| Port Huron to Barga | 4,381.84 mi (7,051.89 km) |
| Port Huron to Bari | 4,763.49 mi (7,666.10 km) |
| Port Huron to Barletta | 4,731.63 mi (7,614.82 km) |
| Port Huron to Baronissi | 4,694.77 mi (7,555.50 km) |
| Port Huron to Barrafranca | 4,817.40 mi (7,752.86 km) |
| Port Huron to Bassano del Grappa | 4,364.57 mi (7,024.10 km) |
| Port Huron to Battipaglia | 4,709.07 mi (7,578.51 km) |
| Port Huron to Beinasco | 4,227.28 mi (6,803.16 km) |
| Port Huron to Bellinzago Novarese | 4,248.21 mi (6,836.83 km) |
| Port Huron to Belluno | 4,368.64 mi (7,030.64 km) |
| Port Huron to Belmonte Mezzagno | 4,753.00 mi (7,649.22 km) |
| Port Huron to Belpasso | 4,841.12 mi (7,791.03 km) |
