| Euclid to Jicin | 4,349.50 mi (6,999.84 km) |
| Euclid to Jihlava | 4,398.17 mi (7,078.16 km) |
| Euclid to Jindrichuv Hradec | 4,386.09 mi (7,058.73 km) |
| Euclid to Jirkov | 4,276.85 mi (6,882.93 km) |
| Euclid to Kadan | 4,274.87 mi (6,879.74 km) |
| Euclid to Karlovy Vary | 4,265.34 mi (6,864.40 km) |
| Euclid to Karvina | 4,488.66 mi (7,223.80 km) |
| Euclid to Kladno | 4,314.12 mi (6,942.90 km) |
| Euclid to Klasterec nad Ohri | 4,270.83 mi (6,873.24 km) |
| Euclid to Klatovy | 4,312.20 mi (6,939.82 km) |
| Euclid to Kolin | 4,359.54 mi (7,016.00 km) |
| Euclid to Koprivnice | 4,484.44 mi (7,217.00 km) |
| Euclid to Kralupy nad Vltavou | 4,318.55 mi (6,950.03 km) |
| Euclid to Kraluv Dvur | 4,319.19 mi (6,951.07 km) |
| Euclid to Krnov | 4,448.61 mi (7,159.35 km) |
