| Porsgrunn to Saint-Nazaire | 952.36 mi (1,532.67 km) |
| Porsgrunn to Saint-Omer | 648.45 mi (1,043.58 km) |
| Porsgrunn to Saint-Orens-de-Gameville | 1,129.83 mi (1,818.28 km) |
| Porsgrunn to Saint-Ouen | 764.85 mi (1,230.91 km) |
| Porsgrunn to Saint-Ouen-l'Aumone | 759.81 mi (1,222.80 km) |
| Porsgrunn to Saint-Paul-les-Dax | 1,156.70 mi (1,861.52 km) |
| Porsgrunn to Saint-Paul-Trois-Chateaux | 1,041.26 mi (1,675.74 km) |
| Porsgrunn to Saint-Philbert-de-Grand-Lieu | 955.51 mi (1,537.74 km) |
| Porsgrunn to Saint-Pierre-des-Corps | 889.31 mi (1,431.20 km) |
| Porsgrunn to Saint-Pierre-du-Mont | 1,137.75 mi (1,831.03 km) |
| Porsgrunn to Saint-Pierre-du-Perray | 781.86 mi (1,258.28 km) |
| Porsgrunn to Saint-Pol-sur-Mer | 629.14 mi (1,012.50 km) |
| Porsgrunn to Saint-Priest | 948.03 mi (1,525.71 km) |
| Porsgrunn to Saint-Quentin | 689.50 mi (1,109.64 km) |
| Porsgrunn to Saint-Rambert | 967.95 mi (1,557.77 km) |
