| Porsgrunn to Prelouc | 668.79 mi (1,076.31 km) |
| Porsgrunn to Prerov | 735.72 mi (1,184.03 km) |
| Porsgrunn to Pribram | 673.57 mi (1,084.01 km) |
| Porsgrunn to Prostejov | 729.03 mi (1,173.27 km) |
| Porsgrunn to Rakovnik | 642.84 mi (1,034.55 km) |
| Porsgrunn to Ricany | 660.35 mi (1,062.73 km) |
| Porsgrunn to Rokycany | 665.87 mi (1,071.61 km) |
| Porsgrunn to Roudnice nad Labem | 626.88 mi (1,008.87 km) |
| Porsgrunn to Roznov pod Radhostem | 747.59 mi (1,203.12 km) |
| Porsgrunn to Roztoky | 646.25 mi (1,040.03 km) |
| Porsgrunn to Rumburk | 595.45 mi (958.28 km) |
| Porsgrunn to Rychnov nad Kneznou | 671.20 mi (1,080.20 km) |
| Porsgrunn to Slany | 637.98 mi (1,026.73 km) |
| Porsgrunn to Sokolov | 628.15 mi (1,010.92 km) |
| Porsgrunn to Sternberk | 715.56 mi (1,151.58 km) |
