| Llantwit Major to Karditsa | 1,474.68 mi (2,373.26 km) |
| Llantwit Major to Kastoria | 1,396.04 mi (2,246.71 km) |
| Llantwit Major to Katerini | 1,456.50 mi (2,344.00 km) |
| Llantwit Major to Keratsini | 1,607.76 mi (2,587.44 km) |
| Llantwit Major to Kerkyra | 1,384.95 mi (2,228.87 km) |
| Llantwit Major to Kiato | 1,571.85 mi (2,529.64 km) |
| Llantwit Major to Kifisia | 1,610.03 mi (2,591.09 km) |
| Llantwit Major to Kilkis | 1,439.63 mi (2,316.86 km) |
| Llantwit Major to Komotini | 1,539.23 mi (2,477.15 km) |
| Llantwit Major to Korinthos | 1,582.22 mi (2,546.34 km) |
| Llantwit Major to Koropi | 1,621.02 mi (2,608.79 km) |
| Llantwit Major to Korydallos | 1,608.27 mi (2,588.26 km) |
| Llantwit Major to Kos | 1,804.41 mi (2,903.92 km) |
| Llantwit Major to Kozani | 1,426.38 mi (2,295.54 km) |
| Llantwit Major to Lagos | 1,524.44 mi (2,453.35 km) |
