| Porsgrunn to Seysses | 1,136.29 mi (1,828.68 km) |
| Porsgrunn to Sin-le-Noble | 658.75 mi (1,060.16 km) |
| Porsgrunn to Six-Fours-les-Plages | 1,118.83 mi (1,800.59 km) |
| Porsgrunn to Soissons | 719.48 mi (1,157.90 km) |
| Porsgrunn to Soisy-sous-Montmorency | 760.49 mi (1,223.90 km) |
| Porsgrunn to Sollies-Pont | 1,111.36 mi (1,788.57 km) |
| Porsgrunn to Somain | 656.52 mi (1,056.56 km) |
| Porsgrunn to Sorgues | 1,063.61 mi (1,711.71 km) |
| Porsgrunn to Sotteville-les-Rouen | 754.09 mi (1,213.60 km) |
| Porsgrunn to Soyaux | 1,011.48 mi (1,627.82 km) |
| Porsgrunn to Stains | 761.64 mi (1,225.74 km) |
| Porsgrunn to Stiring-Wendel | 694.12 mi (1,117.08 km) |
| Porsgrunn to Strasbourg | 732.02 mi (1,178.07 km) |
| Porsgrunn to Sucy-en-Brie | 771.23 mi (1,241.18 km) |
| Porsgrunn to Suresnes | 769.38 mi (1,238.20 km) |
