| Porsgrunn to Komarno | 855.92 mi (1,377.47 km) |
| Porsgrunn to Kosice | 855.71 mi (1,377.14 km) |
| Porsgrunn to Krompachy | 835.58 mi (1,344.74 km) |
| Porsgrunn to Kysucke Nove Mesto | 769.56 mi (1,238.49 km) |
| Porsgrunn to Levice | 834.86 mi (1,343.58 km) |
| Porsgrunn to Levoca | 822.68 mi (1,323.97 km) |
| Porsgrunn to Liptovsky Mikulas | 798.74 mi (1,285.45 km) |
| Porsgrunn to Lucenec | 847.21 mi (1,363.46 km) |
| Porsgrunn to Malacky | 794.83 mi (1,279.15 km) |
| Porsgrunn to Martin | 786.76 mi (1,266.16 km) |
| Porsgrunn to Michalovce | 868.16 mi (1,397.17 km) |
| Porsgrunn to Modra | 806.04 mi (1,297.20 km) |
| Porsgrunn to Moldava nad Bodvou | 857.03 mi (1,379.26 km) |
| Porsgrunn to Myjava | 783.03 mi (1,260.16 km) |
| Porsgrunn to Nitra | 820.14 mi (1,319.89 km) |
