| Portalegre to Bougival | 811.10 mi (1,305.34 km) |
| Portalegre to Bouguenais | 616.06 mi (991.46 km) |
| Portalegre to Boulogne-Billancourt | 812.43 mi (1,307.49 km) |
| Portalegre to Boulogne-sur-Mer | 901.80 mi (1,451.30 km) |
| Portalegre to Bourg-de-Peage | 749.55 mi (1,206.28 km) |
| Portalegre to Bourg-en-Bresse | 797.19 mi (1,282.95 km) |
| Portalegre to Bourg-la-Reine | 811.64 mi (1,306.21 km) |
| Portalegre to Bourg-les-Valence | 739.97 mi (1,190.86 km) |
| Portalegre to Bourges | 728.48 mi (1,172.37 km) |
| Portalegre to Bourgoin-Jallieu | 777.14 mi (1,250.69 km) |
| Portalegre to Bressuire | 625.90 mi (1,007.28 km) |
| Portalegre to Brest | 643.51 mi (1,035.63 km) |
| Portalegre to Bretigny-sur-Orge | 802.50 mi (1,291.49 km) |
| Portalegre to Breuillet | 796.13 mi (1,281.25 km) |
| Portalegre to Briancon | 815.37 mi (1,312.22 km) |
