| Porsgrunn to Parempuyre | 1,069.65 mi (1,721.44 km) |
| Porsgrunn to Paris | 768.18 mi (1,236.27 km) |
| Porsgrunn to Parthenay | 953.84 mi (1,535.05 km) |
| Porsgrunn to Passy | 920.06 mi (1,480.70 km) |
| Porsgrunn to Pau | 1,173.60 mi (1,888.73 km) |
| Porsgrunn to Pelissanne | 1,087.15 mi (1,749.60 km) |
| Porsgrunn to Perenchies | 641.38 mi (1,032.20 km) |
| Porsgrunn to Perigny | 1,000.87 mi (1,610.74 km) |
| Porsgrunn to Perigueux | 1,032.52 mi (1,661.68 km) |
| Porsgrunn to Pernes-les-Fontaines | 1,062.84 mi (1,710.47 km) |
| Porsgrunn to Perols | 1,101.83 mi (1,773.22 km) |
| Porsgrunn to Perpignan | 1,171.05 mi (1,884.63 km) |
| Porsgrunn to Persan | 750.23 mi (1,207.38 km) |
| Porsgrunn to Pertuis | 1,080.24 mi (1,738.48 km) |
| Porsgrunn to Pessac | 1,079.34 mi (1,737.03 km) |
