| Sierre to Karditsa | 870.06 mi (1,400.22 km) |
| Sierre to Kastoria | 795.17 mi (1,279.71 km) |
| Sierre to Katerini | 858.51 mi (1,381.64 km) |
| Sierre to Keratsini | 1,002.24 mi (1,612.95 km) |
| Sierre to Kerkyra | 776.41 mi (1,249.51 km) |
| Sierre to Kiato | 964.48 mi (1,552.17 km) |
| Sierre to Kifisia | 1,005.43 mi (1,618.09 km) |
| Sierre to Kilkis | 848.23 mi (1,365.10 km) |
| Sierre to Komotini | 960.18 mi (1,545.26 km) |
| Sierre to Korinthos | 975.02 mi (1,569.15 km) |
| Sierre to Koropi | 1,015.91 mi (1,634.94 km) |
| Sierre to Korydallos | 1,002.89 mi (1,613.99 km) |
| Sierre to Kos | 1,204.46 mi (1,938.39 km) |
| Sierre to Kozani | 826.04 mi (1,329.38 km) |
| Sierre to Lagos | 943.28 mi (1,518.07 km) |
