| Seclin to Kastoria | 1,117.14 mi (1,797.86 km) |
| Seclin to Katerini | 1,175.81 mi (1,892.28 km) |
| Seclin to Keratsini | 1,331.18 mi (2,142.32 km) |
| Seclin to Kerkyra | 1,112.66 mi (1,790.66 km) |
| Seclin to Kiato | 1,297.22 mi (2,087.68 km) |
| Seclin to Kifisia | 1,332.67 mi (2,144.73 km) |
| Seclin to Kilkis | 1,156.46 mi (1,861.15 km) |
| Seclin to Komotini | 1,252.77 mi (2,016.14 km) |
| Seclin to Korinthos | 1,307.37 mi (2,104.01 km) |
| Seclin to Koropi | 1,344.05 mi (2,163.03 km) |
| Seclin to Korydallos | 1,331.56 mi (2,142.94 km) |
| Seclin to Kos | 1,523.50 mi (2,451.84 km) |
| Seclin to Kozani | 1,147.03 mi (1,845.97 km) |
| Seclin to Lagos | 1,238.40 mi (1,993.01 km) |
| Seclin to Lamia | 1,240.34 mi (1,996.13 km) |
