| Porsgrunn to Pilis | 910.97 mi (1,466.06 km) |
| Porsgrunn to Piliscsaba | 877.18 mi (1,411.69 km) |
| Porsgrunn to Pilisvorosvar | 878.24 mi (1,413.40 km) |
| Porsgrunn to Pomaz | 878.73 mi (1,414.19 km) |
| Porsgrunn to Puspokladany | 939.05 mi (1,511.26 km) |
| Porsgrunn to Rackeve | 908.42 mi (1,461.96 km) |
| Porsgrunn to Sajoszentpeter | 875.05 mi (1,408.26 km) |
| Porsgrunn to Salgotarjan | 863.97 mi (1,390.43 km) |
| Porsgrunn to Sarbogard | 920.63 mi (1,481.61 km) |
| Porsgrunn to Sarkad | 979.81 mi (1,576.85 km) |
| Porsgrunn to Sarospatak | 886.77 mi (1,427.12 km) |
| Porsgrunn to Sarvar | 871.47 mi (1,402.50 km) |
| Porsgrunn to Satoraljaujhely | 884.05 mi (1,422.75 km) |
| Porsgrunn to Siklos | 983.22 mi (1,582.35 km) |
| Porsgrunn to Siofok | 909.87 mi (1,464.29 km) |
