| Port Huron to Bitonto | 4,756.48 mi (7,654.81 km) |
| Port Huron to Bitritto | 4,765.44 mi (7,669.24 km) |
| Port Huron to Bollate | 4,268.92 mi (6,870.17 km) |
| Port Huron to Bologna | 4,399.84 mi (7,080.85 km) |
| Port Huron to Bolzano | 4,320.76 mi (6,953.60 km) |
| Port Huron to Bomporto | 4,377.85 mi (7,045.47 km) |
| Port Huron to Bonate di Sopra | 4,281.80 mi (6,890.90 km) |
| Port Huron to Bondeno | 4,387.21 mi (7,060.53 km) |
| Port Huron to Bordighera | 4,277.98 mi (6,884.74 km) |
| Port Huron to Borgaro Torinese | 4,224.93 mi (6,799.38 km) |
| Port Huron to Borgo a Buggiano | 4,399.70 mi (7,080.64 km) |
| Port Huron to Borgo San Dalmazzo | 4,249.26 mi (6,838.53 km) |
| Port Huron to Borgo San Lorenzo | 4,423.34 mi (7,118.68 km) |
| Port Huron to Borgomanero | 4,237.05 mi (6,818.87 km) |
| Port Huron to Borgoricco | 4,383.72 mi (7,054.91 km) |
