| Porsgrunn to Bad Wildungen | 553.16 mi (890.23 km) |
| Porsgrunn to Bad Windsheim | 664.97 mi (1,070.17 km) |
| Porsgrunn to Bad Worishofen | 768.46 mi (1,236.71 km) |
| Porsgrunn to Bad Wurzach | 774.31 mi (1,246.13 km) |
| Porsgrunn to Bad Zwischenahn | 415.02 mi (667.91 km) |
| Porsgrunn to Baden-Baden | 717.76 mi (1,155.12 km) |
| Porsgrunn to Baesweiler | 584.38 mi (940.47 km) |
| Porsgrunn to Baiersbronn | 735.06 mi (1,182.96 km) |
| Porsgrunn to Balingen | 749.95 mi (1,206.93 km) |
| Porsgrunn to Ballenstedt | 514.45 mi (827.93 km) |
| Porsgrunn to Balve | 542.54 mi (873.13 km) |
| Porsgrunn to Bamberg | 639.05 mi (1,028.45 km) |
| Porsgrunn to Bannewitz | 582.92 mi (938.12 km) |
| Porsgrunn to Bargteheide | 373.63 mi (601.30 km) |
| Porsgrunn to Barleben | 483.61 mi (778.30 km) |
