| Kilkis to Saarijarvi | 1,504.05 mi (2,420.53 km) |
| Kilkis to Salo | 1,340.65 mi (2,157.57 km) |
| Kilkis to Sastamala | 1,406.63 mi (2,263.75 km) |
| Kilkis to Savonlinna | 1,464.64 mi (2,357.11 km) |
| Kilkis to Seinajoki | 1,506.81 mi (2,424.98 km) |
| Kilkis to Siilinjarvi | 1,538.92 mi (2,476.66 km) |
| Kilkis to Sipoo | 1,343.85 mi (2,162.71 km) |
| Kilkis to Sippola | 1,376.20 mi (2,214.78 km) |
| Kilkis to Sodankyla | 1,831.79 mi (2,947.97 km) |
| Kilkis to Somero | 1,357.96 mi (2,185.43 km) |
| Kilkis to Sotkamo | 1,614.80 mi (2,598.77 km) |
| Kilkis to Tampere | 1,417.93 mi (2,281.94 km) |
| Kilkis to Tornio | 1,718.85 mi (2,766.22 km) |
| Kilkis to Turku | 1,345.26 mi (2,164.99 km) |
| Kilkis to Tuusula | 1,347.08 mi (2,167.91 km) |
