| Porsgrunn to Blansko | 728.75 mi (1,172.80 km) |
| Porsgrunn to Bohumin | 723.50 mi (1,164.35 km) |
| Porsgrunn to Boskovice | 720.92 mi (1,160.22 km) |
| Porsgrunn to Brandys nad Labem-Stara Boleslav | 647.35 mi (1,041.81 km) |
| Porsgrunn to Breclav | 771.70 mi (1,241.94 km) |
| Porsgrunn to Brevnov | 650.82 mi (1,047.39 km) |
| Porsgrunn to Brno | 739.33 mi (1,189.83 km) |
| Porsgrunn to Bruntal | 701.96 mi (1,129.70 km) |
| Porsgrunn to Bystrc | 735.97 mi (1,184.42 km) |
| Porsgrunn to Caslav | 674.98 mi (1,086.27 km) |
| Porsgrunn to Celakovice | 650.27 mi (1,046.51 km) |
| Porsgrunn to Ceska Lipa | 612.64 mi (985.95 km) |
| Porsgrunn to Ceska Trebova | 690.77 mi (1,111.68 km) |
| Porsgrunn to Ceske Budejovice | 726.38 mi (1,169.00 km) |
| Porsgrunn to Cesky Krumlov | 735.73 mi (1,184.05 km) |
