| Porsgrunn to Saint-Lo | 815.62 mi (1,312.61 km) |
| Porsgrunn to Saint-Loubes | 1,068.78 mi (1,720.03 km) |
| Porsgrunn to Saint-Louis | 801.11 mi (1,289.26 km) |
| Porsgrunn to Saint-Lys | 1,137.02 mi (1,829.86 km) |
| Porsgrunn to Saint-Malo | 863.70 mi (1,389.99 km) |
| Porsgrunn to Saint-Mande | 768.10 mi (1,236.13 km) |
| Porsgrunn to Saint-Martin-Boulogne | 661.43 mi (1,064.48 km) |
| Porsgrunn to Saint-Martin-d'Heres | 977.72 mi (1,573.49 km) |
| Porsgrunn to Saint-Martin-de-Crau | 1,089.22 mi (1,752.93 km) |
| Porsgrunn to Saint-Maur-des-Fosses | 769.64 mi (1,238.62 km) |
| Porsgrunn to Saint-Maurice | 769.41 mi (1,238.24 km) |
| Porsgrunn to Saint-Max | 733.31 mi (1,180.14 km) |
| Porsgrunn to Saint-Maximin-la-Sainte-Baume | 1,094.41 mi (1,761.29 km) |
| Porsgrunn to Saint-Medard-en-Jalles | 1,074.96 mi (1,729.98 km) |
| Porsgrunn to Saint-Michel-sur-Orge | 783.52 mi (1,260.95 km) |
