| Euclid to Koscian | 4,333.40 mi (6,973.93 km) |
| Euclid to Koscielisko | 4,560.43 mi (7,339.31 km) |
| Euclid to Koscierzyna | 4,301.80 mi (6,923.07 km) |
| Euclid to Kostrzyn | 4,341.62 mi (6,987.16 km) |
| Euclid to Kostrzyn nad Odra | 4,244.14 mi (6,830.28 km) |
| Euclid to Koszalin | 4,237.56 mi (6,819.69 km) |
| Euclid to Kowary | 4,353.52 mi (7,006.31 km) |
| Euclid to Kozienice | 4,524.81 mi (7,281.98 km) |
| Euclid to Kozuchow | 4,308.67 mi (6,934.14 km) |
| Euclid to Kozy | 4,510.09 mi (7,258.29 km) |
| Euclid to Krakow | 4,530.39 mi (7,290.95 km) |
| Euclid to Krapkowice | 4,443.38 mi (7,150.93 km) |
| Euclid to Krasnik | 4,575.02 mi (7,362.79 km) |
| Euclid to Krasnystaw | 4,605.49 mi (7,411.81 km) |
| Euclid to Krosno | 4,610.58 mi (7,420.02 km) |
