| Portes-les-Valence to Benevento | 562.80 mi (905.75 km) |
| Portes-les-Valence to Bergamo | 239.81 mi (385.93 km) |
| Portes-les-Valence to Bernalda | 673.54 mi (1,083.96 km) |
| Portes-les-Valence to Bertinoro | 360.90 mi (580.82 km) |
| Portes-les-Valence to Besana in Brianza | 221.68 mi (356.75 km) |
| Portes-les-Valence to Besozzo | 195.97 mi (315.38 km) |
| Portes-les-Valence to Biancavilla | 718.91 mi (1,156.98 km) |
| Portes-les-Valence to Biassono | 219.87 mi (353.85 km) |
| Portes-les-Valence to Bibbiano | 274.53 mi (441.82 km) |
| Portes-les-Valence to Bibbiena | 352.59 mi (567.44 km) |
| Portes-les-Valence to Biella | 162.48 mi (261.48 km) |
| Portes-les-Valence to Bisceglie | 637.65 mi (1,026.19 km) |
| Portes-les-Valence to Bisignano | 690.33 mi (1,110.97 km) |
| Portes-les-Valence to Bitetto | 655.63 mi (1,055.13 km) |
| Portes-les-Valence to Bitonto | 649.88 mi (1,045.87 km) |
