| Porsgrunn to Bois-Colombes | 765.54 mi (1,232.02 km) |
| Porsgrunn to Bois-d'Arcy | 776.81 mi (1,250.16 km) |
| Porsgrunn to Bois-Guillaume | 749.72 mi (1,206.56 km) |
| Porsgrunn to Boissy-Saint-Leger | 772.69 mi (1,243.53 km) |
| Porsgrunn to Bolbec | 755.53 mi (1,215.90 km) |
| Porsgrunn to Bollene | 1,046.09 mi (1,683.53 km) |
| Porsgrunn to Bondoufle | 783.58 mi (1,261.05 km) |
| Porsgrunn to Bondues | 637.26 mi (1,025.58 km) |
| Porsgrunn to Bondy | 763.21 mi (1,228.27 km) |
| Porsgrunn to Bonneuil-sur-Marne | 771.47 mi (1,241.56 km) |
| Porsgrunn to Bonneville | 911.11 mi (1,466.29 km) |
| Porsgrunn to Bordeaux | 1,076.32 mi (1,732.17 km) |
| Porsgrunn to Borgo | 1,144.37 mi (1,841.68 km) |
| Porsgrunn to Bouc-Bel-Air | 1,097.33 mi (1,765.98 km) |
| Porsgrunn to Boucau | 1,177.14 mi (1,894.43 km) |
