| Kouvola to Sulakyurt | 1,461.81 mi (2,352.55 km) |
| Kouvola to Sultanbeyli | 1,379.19 mi (2,219.60 km) |
| Kouvola to Sultandagi | 1,555.53 mi (2,503.38 km) |
| Kouvola to Sultanhani | 1,590.68 mi (2,559.96 km) |
| Kouvola to Sultanhisar | 1,588.91 mi (2,557.10 km) |
| Kouvola to Suluova | 1,435.15 mi (2,309.65 km) |
| Kouvola to Sumbas | 1,668.67 mi (2,685.47 km) |
| Kouvola to Sungurlu | 1,467.56 mi (2,361.81 km) |
| Kouvola to Surmene | 1,490.66 mi (2,398.98 km) |
| Kouvola to Suruc | 1,728.33 mi (2,781.49 km) |
| Kouvola to Susehri | 1,510.31 mi (2,430.61 km) |
| Kouvola to Susurluk | 1,449.13 mi (2,332.15 km) |
| Kouvola to Susuz | 1,552.20 mi (2,498.03 km) |
| Kouvola to Sutculer | 1,625.67 mi (2,616.26 km) |
| Kouvola to Talas | 1,579.71 mi (2,542.30 km) |
