| Porsgrunn to Brandenburg | 475.57 mi (765.36 km) |
| Porsgrunn to Brandis | 549.48 mi (884.30 km) |
| Porsgrunn to Braunfels | 596.44 mi (959.88 km) |
| Porsgrunn to Braunsbedra | 547.93 mi (881.81 km) |
| Porsgrunn to Braunschweig | 474.25 mi (763.22 km) |
| Porsgrunn to Breckerfeld | 549.40 mi (884.17 km) |
| Porsgrunn to Breisach am Rhein | 770.57 mi (1,240.11 km) |
| Porsgrunn to Bremen | 418.25 mi (673.11 km) |
| Porsgrunn to Bremerhaven | 386.94 mi (622.73 km) |
| Porsgrunn to Bremervorde | 389.78 mi (627.29 km) |
| Porsgrunn to Bretten | 697.57 mi (1,122.63 km) |
| Porsgrunn to Bretzfeld | 686.35 mi (1,104.57 km) |
| Porsgrunn to Brieselang | 468.89 mi (754.60 km) |
| Porsgrunn to Brilon | 535.27 mi (861.44 km) |
| Porsgrunn to Bruchhausen-Vilsen | 434.93 mi (699.94 km) |
