| Walton upon Thames to Karditsa | 1,356.14 mi (2,182.50 km) |
| Walton upon Thames to Kastoria | 1,276.06 mi (2,053.61 km) |
| Walton upon Thames to Katerini | 1,335.29 mi (2,148.94 km) |
| Walton upon Thames to Keratsini | 1,489.42 mi (2,396.99 km) |
| Walton upon Thames to Kerkyra | 1,269.22 mi (2,042.61 km) |
| Walton upon Thames to Kiato | 1,454.76 mi (2,341.21 km) |
| Walton upon Thames to Kifisia | 1,491.17 mi (2,399.81 km) |
| Walton upon Thames to Kilkis | 1,316.58 mi (2,118.83 km) |
| Walton upon Thames to Komotini | 1,413.36 mi (2,274.58 km) |
| Walton upon Thames to Korinthos | 1,464.99 mi (2,357.68 km) |
| Walton upon Thames to Koropi | 1,502.42 mi (2,417.92 km) |
| Walton upon Thames to Korydallos | 1,489.84 mi (2,397.67 km) |
| Walton upon Thames to Kos | 1,683.12 mi (2,708.72 km) |
| Walton upon Thames to Kozani | 1,306.10 mi (2,101.97 km) |
| Walton upon Thames to Lagos | 1,398.97 mi (2,251.43 km) |
