| Isernia to Saint-Esteve | 588.34 mi (946.84 km) |
| Isernia to Saint-Etienne | 559.47 mi (900.37 km) |
| Isernia to Saint-Etienne-du-Rouvray | 830.62 mi (1,336.76 km) |
| Isernia to Saint-Fargeau | 743.50 mi (1,196.56 km) |
| Isernia to Saint-Fons | 547.77 mi (881.55 km) |
| Isernia to Saint-Gaudens | 697.13 mi (1,121.93 km) |
| Isernia to Saint-Gely-du-Fesc | 549.12 mi (883.72 km) |
| Isernia to Saint-Genis-Laval | 549.94 mi (885.05 km) |
| Isernia to Saint-Genis-Pouilly | 519.22 mi (835.61 km) |
| Isernia to Saint-Germain-en-Laye | 774.98 mi (1,247.22 km) |
| Isernia to Saint-Germain-les-Arpajon | 756.78 mi (1,217.92 km) |
| Isernia to Saint-Gilles | 518.38 mi (834.25 km) |
| Isernia to Saint-Gratien | 771.08 mi (1,240.93 km) |
| Isernia to Saint-Gregoire | 898.96 mi (1,446.73 km) |
| Isernia to Saint-Herblain | 872.62 mi (1,404.35 km) |
