| Leigh-on-Sea to Karditsa | 1,321.81 mi (2,127.25 km) |
| Leigh-on-Sea to Kastoria | 1,240.92 mi (1,997.07 km) |
| Leigh-on-Sea to Katerini | 1,299.36 mi (2,091.12 km) |
| Leigh-on-Sea to Keratsini | 1,455.09 mi (2,341.75 km) |
| Leigh-on-Sea to Kerkyra | 1,236.58 mi (1,990.09 km) |
| Leigh-on-Sea to Kiato | 1,421.19 mi (2,287.18 km) |
| Leigh-on-Sea to Kifisia | 1,456.55 mi (2,344.09 km) |
| Leigh-on-Sea to Kilkis | 1,279.50 mi (2,059.15 km) |
| Leigh-on-Sea to Komotini | 1,374.33 mi (2,211.77 km) |
| Leigh-on-Sea to Korinthos | 1,431.33 mi (2,303.51 km) |
| Leigh-on-Sea to Koropi | 1,467.94 mi (2,362.42 km) |
| Leigh-on-Sea to Korydallos | 1,455.47 mi (2,342.36 km) |
| Leigh-on-Sea to Kos | 1,646.94 mi (2,650.50 km) |
| Leigh-on-Sea to Kozani | 1,270.77 mi (2,045.10 km) |
| Leigh-on-Sea to Lagos | 1,360.24 mi (2,189.09 km) |
