| Porsgrunn to Saint-Esteve | 1,170.63 mi (1,883.95 km) |
| Porsgrunn to Saint-Etienne | 970.89 mi (1,562.49 km) |
| Porsgrunn to Saint-Etienne-du-Rouvray | 755.75 mi (1,216.27 km) |
| Porsgrunn to Saint-Fargeau | 786.36 mi (1,265.53 km) |
| Porsgrunn to Saint-Fons | 948.06 mi (1,525.75 km) |
| Porsgrunn to Saint-Gaudens | 1,170.24 mi (1,883.31 km) |
| Porsgrunn to Saint-Gely-du-Fesc | 1,094.58 mi (1,761.55 km) |
| Porsgrunn to Saint-Genis-Laval | 949.45 mi (1,527.99 km) |
| Porsgrunn to Saint-Genis-Pouilly | 902.36 mi (1,452.22 km) |
| Porsgrunn to Saint-Germain-en-Laye | 769.51 mi (1,238.41 km) |
| Porsgrunn to Saint-Germain-les-Arpajon | 786.66 mi (1,266.01 km) |
| Porsgrunn to Saint-Gilles | 1,089.82 mi (1,753.90 km) |
| Porsgrunn to Saint-Gratien | 761.79 mi (1,225.98 km) |
| Porsgrunn to Saint-Gregoire | 887.18 mi (1,427.77 km) |
| Porsgrunn to Saint-Herblain | 944.62 mi (1,520.22 km) |
