| Leigh-on-Sea to Klaukkala | 1,104.37 mi (1,777.31 km) |
| Leigh-on-Sea to Kokkola | 1,175.60 mi (1,891.95 km) |
| Leigh-on-Sea to Kontiolahti | 1,322.52 mi (2,128.39 km) |
| Leigh-on-Sea to Korsholm | 1,109.87 mi (1,786.17 km) |
| Leigh-on-Sea to Kotka | 1,176.16 mi (1,892.85 km) |
| Leigh-on-Sea to Kouvola | 1,178.39 mi (1,896.43 km) |
| Leigh-on-Sea to Kuhmo | 1,351.76 mi (2,175.45 km) |
| Leigh-on-Sea to Kuopio | 1,263.47 mi (2,033.36 km) |
| Leigh-on-Sea to Kurikka | 1,108.94 mi (1,784.66 km) |
| Leigh-on-Sea to Kuusamo | 1,404.52 mi (2,260.35 km) |
| Leigh-on-Sea to Kuusankoski | 1,176.88 mi (1,894.01 km) |
| Leigh-on-Sea to Lahti | 1,148.67 mi (1,848.60 km) |
| Leigh-on-Sea to Laitila | 1,026.78 mi (1,652.44 km) |
| Leigh-on-Sea to Lapinlahti | 1,269.92 mi (2,043.73 km) |
| Leigh-on-Sea to Lappeenranta | 1,229.64 mi (1,978.91 km) |
