| Kilkis to Sonneberg | 857.01 mi (1,379.22 km) |
| Kilkis to Sonsbeck | 1,071.83 mi (1,724.94 km) |
| Kilkis to Sonthofen | 767.68 mi (1,235.46 km) |
| Kilkis to Spaichingen | 849.02 mi (1,366.37 km) |
| Kilkis to Spelle | 1,068.75 mi (1,719.99 km) |
| Kilkis to Spenge | 1,026.04 mi (1,651.25 km) |
| Kilkis to Speyer | 906.46 mi (1,458.81 km) |
| Kilkis to Spiesen-Elversberg | 955.65 mi (1,537.97 km) |
| Kilkis to Spremberg | 835.07 mi (1,343.91 km) |
| Kilkis to Springe | 997.76 mi (1,605.75 km) |
| Kilkis to Sprockhovel | 1,031.81 mi (1,660.55 km) |
| Kilkis to Stade | 1,070.33 mi (1,722.53 km) |
| Kilkis to Stadtallendorf | 949.12 mi (1,527.46 km) |
| Kilkis to Stadthagen | 1,013.25 mi (1,630.67 km) |
| Kilkis to Stadtlohn | 1,069.96 mi (1,721.93 km) |
