| Lake Oswego to Karditsa | 6,181.77 mi (9,948.60 km) |
| Lake Oswego to Kastoria | 6,095.18 mi (9,809.25 km) |
| Lake Oswego to Katerini | 6,137.37 mi (9,877.15 km) |
| Lake Oswego to Keratsini | 6,307.01 mi (10,150.14 km) |
| Lake Oswego to Kerkyra | 6,121.32 mi (9,851.31 km) |
| Lake Oswego to Kiato | 6,285.64 mi (10,115.76 km) |
| Lake Oswego to Kifisia | 6,303.81 mi (10,145.00 km) |
| Lake Oswego to Kilkis | 6,099.64 mi (9,816.42 km) |
| Lake Oswego to Komotini | 6,143.23 mi (9,886.58 km) |
| Lake Oswego to Korinthos | 6,294.03 mi (10,129.26 km) |
| Lake Oswego to Koropi | 6,316.68 mi (10,165.71 km) |
| Lake Oswego to Korydallos | 6,306.66 mi (10,149.58 km) |
| Lake Oswego to Kos | 6,452.27 mi (10,383.93 km) |
| Lake Oswego to Kozani | 6,119.99 mi (9,849.18 km) |
| Lake Oswego to Lagos | 6,137.76 mi (9,877.77 km) |
