| Port Glasgow to Saint-Raphael | 1,001.76 mi (1,612.17 km) |
| Port Glasgow to Saint-Remy-de-Provence | 938.20 mi (1,509.89 km) |
| Port Glasgow to Saint-Saulve | 513.63 mi (826.61 km) |
| Port Glasgow to Saint-Sebastien-sur-Loire | 618.09 mi (994.72 km) |
| Port Glasgow to Saint-Sulpice-la-Pointe | 885.97 mi (1,425.82 km) |
| Port Glasgow to Saint-Vallier | 750.61 mi (1,207.99 km) |
| Port Glasgow to Sainte-Foy-les-Lyon | 816.00 mi (1,313.22 km) |
| Port Glasgow to Sainte-Genevieve-des-Bois | 584.57 mi (940.77 km) |
| Port Glasgow to Sainte-Luce-sur-Loire | 615.43 mi (990.44 km) |
| Port Glasgow to Sainte-Maxime | 1,006.08 mi (1,619.12 km) |
| Port Glasgow to Sainte-Savine | 643.99 mi (1,036.40 km) |
| Port Glasgow to Saintes | 725.49 mi (1,167.57 km) |
| Port Glasgow to Sallanches | 846.35 mi (1,362.07 km) |
| Port Glasgow to Sallaumines | 492.36 mi (792.37 km) |
| Port Glasgow to Salon-de-Provence | 952.90 mi (1,533.55 km) |
