| Hounslow to Klaukkala | 1,140.45 mi (1,835.38 km) |
| Hounslow to Kokkola | 1,205.58 mi (1,940.19 km) |
| Hounslow to Kontiolahti | 1,356.56 mi (2,183.17 km) |
| Hounslow to Korsholm | 1,140.28 mi (1,835.10 km) |
| Hounslow to Kotka | 1,212.72 mi (1,951.68 km) |
| Hounslow to Kouvola | 1,214.31 mi (1,954.24 km) |
| Hounslow to Kuhmo | 1,383.77 mi (2,226.97 km) |
| Hounslow to Kuopio | 1,296.71 mi (2,086.86 km) |
| Hounslow to Kurikka | 1,140.53 mi (1,835.50 km) |
| Hounslow to Kuusamo | 1,433.76 mi (2,307.42 km) |
| Hounslow to Kuusankoski | 1,212.73 mi (1,951.69 km) |
| Hounslow to Lahti | 1,184.12 mi (1,905.66 km) |
| Hounslow to Laitila | 1,060.93 mi (1,707.40 km) |
| Hounslow to Lapinlahti | 1,302.36 mi (2,095.94 km) |
| Hounslow to Lappeenranta | 1,265.65 mi (2,036.86 km) |
