| Penarth to Karditsa | 1,463.41 mi (2,355.14 km) |
| Penarth to Kastoria | 1,384.60 mi (2,228.31 km) |
| Penarth to Katerini | 1,444.92 mi (2,325.37 km) |
| Penarth to Keratsini | 1,596.53 mi (2,569.37 km) |
| Penarth to Kerkyra | 1,374.00 mi (2,211.24 km) |
| Penarth to Kiato | 1,560.76 mi (2,511.80 km) |
| Penarth to Kifisia | 1,598.74 mi (2,572.93 km) |
| Penarth to Kilkis | 1,427.83 mi (2,297.87 km) |
| Penarth to Komotini | 1,527.09 mi (2,457.61 km) |
| Penarth to Korinthos | 1,571.12 mi (2,528.47 km) |
| Penarth to Koropi | 1,609.77 mi (2,590.67 km) |
| Penarth to Korydallos | 1,597.03 mi (2,570.18 km) |
| Penarth to Kos | 1,792.85 mi (2,885.31 km) |
| Penarth to Kozani | 1,414.91 mi (2,277.09 km) |
| Penarth to Lagos | 1,512.34 mi (2,433.88 km) |
