| Porsgrunn to Ploermel | 915.83 mi (1,473.89 km) |
| Porsgrunn to Ploufragan | 890.98 mi (1,433.89 km) |
| Porsgrunn to Plougastel-Daoulas | 935.17 mi (1,505.00 km) |
| Porsgrunn to Plouzane | 940.39 mi (1,513.41 km) |
| Porsgrunn to Poissy | 768.32 mi (1,236.49 km) |
| Porsgrunn to Poitiers | 948.17 mi (1,525.93 km) |
| Porsgrunn to Pont-a-Mousson | 720.70 mi (1,159.85 km) |
| Porsgrunn to Pont-du-Chateau | 958.43 mi (1,542.44 km) |
| Porsgrunn to Pont-Saint-Esprit | 1,048.58 mi (1,687.52 km) |
| Porsgrunn to Pont-Sainte-Maxence | 735.44 mi (1,183.57 km) |
| Porsgrunn to Pontarlier | 854.77 mi (1,375.63 km) |
| Porsgrunn to Pontchateau | 939.63 mi (1,512.18 km) |
| Porsgrunn to Pontivy | 920.05 mi (1,480.68 km) |
| Porsgrunn to Pontoise | 759.52 mi (1,222.33 km) |
| Porsgrunn to Pornic | 959.86 mi (1,544.75 km) |
