| Seia to Jicin | 1,306.44 mi (2,102.52 km) |
| Seia to Jihlava | 1,290.10 mi (2,076.21 km) |
| Seia to Jindrichuv Hradec | 1,259.16 mi (2,026.43 km) |
| Seia to Jirkov | 1,232.17 mi (1,982.98 km) |
| Seia to Kadan | 1,221.42 mi (1,965.69 km) |
| Seia to Karlovy Vary | 1,201.19 mi (1,933.12 km) |
| Seia to Karvina | 1,425.34 mi (2,293.86 km) |
| Seia to Kladno | 1,247.89 mi (2,008.28 km) |
| Seia to Klasterec nad Ohri | 1,217.73 mi (1,959.75 km) |
| Seia to Klatovy | 1,194.01 mi (1,921.57 km) |
| Seia to Kolin | 1,289.41 mi (2,075.11 km) |
| Seia to Koprivnice | 1,403.17 mi (2,258.19 km) |
| Seia to Kralupy nad Vltavou | 1,259.00 mi (2,026.17 km) |
| Seia to Kraluv Dvur | 1,239.61 mi (1,994.96 km) |
| Seia to Krnov | 1,394.70 mi (2,244.56 km) |
