| Porsgrunn to Nova Dubnica | 780.99 mi (1,256.88 km) |
| Porsgrunn to Nove Mesto nad Vahom | 787.07 mi (1,266.66 km) |
| Porsgrunn to Nove Zamky | 842.04 mi (1,355.12 km) |
| Porsgrunn to Partizanske | 804.60 mi (1,294.87 km) |
| Porsgrunn to Petrzalka | 816.07 mi (1,313.34 km) |
| Porsgrunn to Pezinok | 807.98 mi (1,300.31 km) |
| Porsgrunn to Piest'any | 798.08 mi (1,284.39 km) |
| Porsgrunn to Poprad | 814.46 mi (1,310.75 km) |
| Porsgrunn to Povazska Bystrica | 774.80 mi (1,246.91 km) |
| Porsgrunn to Presov | 838.24 mi (1,349.02 km) |
| Porsgrunn to Prievidza | 799.77 mi (1,287.11 km) |
| Porsgrunn to Puchov | 772.41 mi (1,243.07 km) |
| Porsgrunn to Revuca | 833.86 mi (1,341.97 km) |
| Porsgrunn to Rimavska Sobota | 850.65 mi (1,369.00 km) |
| Porsgrunn to Roznava | 843.95 mi (1,358.21 km) |
