| Olen to Kastoria | 1,074.55 mi (1,729.32 km) |
| Olen to Katerini | 1,130.77 mi (1,819.80 km) |
| Olen to Keratsini | 1,290.26 mi (2,076.48 km) |
| Olen to Kerkyra | 1,077.10 mi (1,733.42 km) |
| Olen to Kiato | 1,258.46 mi (2,025.29 km) |
| Olen to Kifisia | 1,290.92 mi (2,077.54 km) |
| Olen to Kilkis | 1,108.11 mi (1,783.33 km) |
| Olen to Komotini | 1,198.41 mi (1,928.66 km) |
| Olen to Korinthos | 1,268.33 mi (2,041.18 km) |
| Olen to Koropi | 1,302.67 mi (2,096.44 km) |
| Olen to Korydallos | 1,290.52 mi (2,076.89 km) |
| Olen to Kos | 1,477.07 mi (2,377.11 km) |
| Olen to Kozani | 1,103.77 mi (1,776.34 km) |
| Olen to Lagos | 1,184.94 mi (1,906.98 km) |
| Olen to Lamia | 1,199.81 mi (1,930.90 km) |
