| Tualatin to Karditsa | 6,185.59 mi (9,954.75 km) |
| Tualatin to Kastoria | 6,099.00 mi (9,815.40 km) |
| Tualatin to Katerini | 6,141.16 mi (9,883.25 km) |
| Tualatin to Keratsini | 6,310.80 mi (10,156.25 km) |
| Tualatin to Kerkyra | 6,125.18 mi (9,857.53 km) |
| Tualatin to Kiato | 6,289.46 mi (10,121.91 km) |
| Tualatin to Kifisia | 6,307.60 mi (10,151.10 km) |
| Tualatin to Kilkis | 6,103.41 mi (9,822.49 km) |
| Tualatin to Komotini | 6,146.93 mi (9,892.53 km) |
| Tualatin to Korinthos | 6,297.85 mi (10,135.40 km) |
| Tualatin to Koropi | 6,320.47 mi (10,171.81 km) |
| Tualatin to Korydallos | 6,310.45 mi (10,155.69 km) |
| Tualatin to Kos | 6,455.98 mi (10,389.90 km) |
| Tualatin to Kozani | 6,123.80 mi (9,855.31 km) |
| Tualatin to Lagos | 6,141.47 mi (9,883.74 km) |
