| Idanha-a-Nova to Seysses | 505.14 mi (812.95 km) |
| Idanha-a-Nova to Sin-le-Noble | 878.66 mi (1,414.06 km) |
| Idanha-a-Nova to Six-Fours-les-Plages | 709.43 mi (1,141.72 km) |
| Idanha-a-Nova to Soissons | 833.17 mi (1,340.85 km) |
| Idanha-a-Nova to Soisy-sous-Montmorency | 782.20 mi (1,258.83 km) |
| Idanha-a-Nova to Sollies-Pont | 721.72 mi (1,161.49 km) |
| Idanha-a-Nova to Somain | 882.99 mi (1,421.04 km) |
| Idanha-a-Nova to Sorgues | 682.31 mi (1,098.06 km) |
| Idanha-a-Nova to Sotteville-les-Rouen | 771.89 mi (1,242.24 km) |
| Idanha-a-Nova to Soyaux | 545.80 mi (878.38 km) |
| Idanha-a-Nova to Stains | 782.68 mi (1,259.60 km) |
| Idanha-a-Nova to Stiring-Wendel | 944.55 mi (1,520.10 km) |
| Idanha-a-Nova to Strasbourg | 950.05 mi (1,528.95 km) |
| Idanha-a-Nova to Sucy-en-Brie | 777.49 mi (1,251.25 km) |
| Idanha-a-Nova to Suresnes | 773.66 mi (1,245.08 km) |
