| Isernia to Saint-Lo | 904.70 mi (1,455.97 km) |
| Isernia to Saint-Loubes | 771.49 mi (1,241.59 km) |
| Isernia to Saint-Louis | 527.60 mi (849.09 km) |
| Isernia to Saint-Lys | 677.01 mi (1,089.55 km) |
| Isernia to Saint-Malo | 926.97 mi (1,491.82 km) |
| Isernia to Saint-Mande | 760.77 mi (1,224.35 km) |
| Isernia to Saint-Martin-Boulogne | 870.21 mi (1,400.47 km) |
| Isernia to Saint-Martin-d'Heres | 491.28 mi (790.64 km) |
| Isernia to Saint-Martin-de-Crau | 499.21 mi (803.40 km) |
| Isernia to Saint-Maur-des-Fosses | 756.05 mi (1,216.74 km) |
| Isernia to Saint-Maurice | 759.20 mi (1,221.81 km) |
| Isernia to Saint-Max | 626.76 mi (1,008.67 km) |
| Isernia to Saint-Maximin-la-Sainte-Baume | 445.10 mi (716.32 km) |
| Isernia to Saint-Medard-en-Jalles | 785.00 mi (1,263.34 km) |
| Isernia to Saint-Michel-sur-Orge | 756.51 mi (1,217.48 km) |
