| Penarth to Kluczbork | 923.01 mi (1,485.44 km) |
| Penarth to Knurow | 953.94 mi (1,535.21 km) |
| Penarth to Kobylka | 1,036.33 mi (1,667.82 km) |
| Penarth to Kokoszki | 921.34 mi (1,482.76 km) |
| Penarth to Kolbuszowa | 1,085.79 mi (1,747.41 km) |
| Penarth to Kolno | 1,061.02 mi (1,707.54 km) |
| Penarth to Kolo | 929.29 mi (1,495.56 km) |
| Penarth to Kolobrzeg | 803.09 mi (1,292.44 km) |
| Penarth to Koluszki | 982.19 mi (1,580.68 km) |
| Penarth to Komorniki | 847.38 mi (1,363.73 km) |
| Penarth to Konin | 913.73 mi (1,470.51 km) |
| Penarth to Konskie | 1,014.33 mi (1,632.40 km) |
| Penarth to Konstancin-Jeziorna | 1,034.85 mi (1,665.42 km) |
| Penarth to Konstantynow Lodzki | 962.41 mi (1,548.84 km) |
| Penarth to Koronowo | 896.31 mi (1,442.46 km) |
