| Porsgrunn to Pantelimon | 1,227.02 mi (1,974.70 km) |
| Porsgrunn to Pascani | 1,074.73 mi (1,729.61 km) |
| Porsgrunn to Pechea | 1,196.12 mi (1,924.97 km) |
| Porsgrunn to Pecica | 1,010.18 mi (1,625.72 km) |
| Porsgrunn to Petrila | 1,103.06 mi (1,775.20 km) |
| Porsgrunn to Petrosani | 1,104.40 mi (1,777.36 km) |
| Porsgrunn to Piatra Neamt | 1,084.01 mi (1,744.55 km) |
| Porsgrunn to Pitesti | 1,171.25 mi (1,884.94 km) |
| Porsgrunn to Ploiesti | 1,193.09 mi (1,920.09 km) |
| Porsgrunn to Podu Iloaiei | 1,090.88 mi (1,755.61 km) |
| Porsgrunn to Poiana Mare | 1,191.14 mi (1,916.96 km) |
| Porsgrunn to Poienile de sub Munte | 983.46 mi (1,582.73 km) |
| Porsgrunn to Popesti-Leordeni | 1,230.57 mi (1,980.41 km) |
| Porsgrunn to Pucioasa | 1,171.19 mi (1,884.85 km) |
| Porsgrunn to Radauti | 1,019.66 mi (1,640.98 km) |
