| Portage to Bougival | 4,029.33 mi (6,484.57 km) |
| Portage to Bouguenais | 3,933.85 mi (6,330.91 km) |
| Portage to Boulogne-Billancourt | 4,034.36 mi (6,492.67 km) |
| Portage to Boulogne-sur-Mer | 3,946.69 mi (6,351.58 km) |
| Portage to Bourg-de-Peage | 4,283.93 mi (6,894.32 km) |
| Portage to Bourg-en-Bresse | 4,247.55 mi (6,835.77 km) |
| Portage to Bourg-la-Reine | 4,039.19 mi (6,500.45 km) |
| Portage to Bourg-les-Valence | 4,280.98 mi (6,889.58 km) |
| Portage to Bourges | 4,101.30 mi (6,600.41 km) |
| Portage to Bourgoin-Jallieu | 4,272.47 mi (6,875.88 km) |
| Portage to Bressuire | 3,991.84 mi (6,424.25 km) |
| Portage to Brest | 3,777.08 mi (6,078.63 km) |
| Portage to Bretigny-sur-Orge | 4,044.59 mi (6,509.14 km) |
| Portage to Breuillet | 4,040.81 mi (6,503.05 km) |
| Portage to Briancon | 4,354.02 mi (7,007.11 km) |
