| Castro Valley to Jicin | 5,819.74 mi (9,365.97 km) |
| Castro Valley to Jihlava | 5,885.87 mi (9,472.40 km) |
| Castro Valley to Jindrichuv Hradec | 5,886.55 mi (9,473.48 km) |
| Castro Valley to Jirkov | 5,770.20 mi (9,286.24 km) |
| Castro Valley to Kadan | 5,772.95 mi (9,290.67 km) |
| Castro Valley to Karlovy Vary | 5,771.38 mi (9,288.14 km) |
| Castro Valley to Karvina | 5,927.68 mi (9,539.68 km) |
| Castro Valley to Kladno | 5,806.27 mi (9,344.29 km) |
| Castro Valley to Klasterec nad Ohri | 5,770.00 mi (9,285.92 km) |
| Castro Valley to Klatovy | 5,829.71 mi (9,382.01 km) |
| Castro Valley to Kolin | 5,839.93 mi (9,398.45 km) |
| Castro Valley to Koprivnice | 5,933.88 mi (9,549.65 km) |
| Castro Valley to Kralupy nad Vltavou | 5,806.16 mi (9,344.11 km) |
| Castro Valley to Kraluv Dvur | 5,816.20 mi (9,360.27 km) |
| Castro Valley to Krnov | 5,894.55 mi (9,486.37 km) |
