| Kilkis to Seysses | 1,112.91 mi (1,791.06 km) |
| Kilkis to Sin-le-Noble | 1,147.38 mi (1,846.52 km) |
| Kilkis to Six-Fours-les-Plages | 885.26 mi (1,424.68 km) |
| Kilkis to Soissons | 1,109.76 mi (1,785.99 km) |
| Kilkis to Soisy-sous-Montmorency | 1,141.95 mi (1,837.79 km) |
| Kilkis to Sollies-Pont | 874.57 mi (1,407.48 km) |
| Kilkis to Somain | 1,140.63 mi (1,835.66 km) |
| Kilkis to Sorgues | 938.18 mi (1,509.85 km) |
| Kilkis to Sotteville-les-Rouen | 1,203.36 mi (1,936.63 km) |
| Kilkis to Soyaux | 1,179.72 mi (1,898.57 km) |
| Kilkis to Stains | 1,137.47 mi (1,830.58 km) |
| Kilkis to Stiring-Wendel | 959.44 mi (1,544.08 km) |
| Kilkis to Strasbourg | 906.00 mi (1,458.07 km) |
| Kilkis to Sucy-en-Brie | 1,127.08 mi (1,813.86 km) |
| Kilkis to Suresnes | 1,142.42 mi (1,838.54 km) |
