| Hounslow to Imatra | 1,286.66 mi (2,070.68 km) |
| Hounslow to Jakobstad | 1,188.03 mi (1,911.94 km) |
| Hounslow to Jamsa | 1,194.42 mi (1,922.23 km) |
| Hounslow to Janakkala | 1,151.38 mi (1,852.96 km) |
| Hounslow to Jarvenpaa | 1,153.67 mi (1,856.65 km) |
| Hounslow to Joensuu | 1,349.49 mi (2,171.79 km) |
| Hounslow to Joutseno | 1,276.96 mi (2,055.07 km) |
| Hounslow to Jyvaskyla | 1,221.86 mi (1,966.39 km) |
| Hounslow to Jyvaskylan Maalaiskunta | 1,223.26 mi (1,968.65 km) |
| Hounslow to Kaarina | 1,066.24 mi (1,715.94 km) |
| Hounslow to Kajaani | 1,338.58 mi (2,154.24 km) |
| Hounslow to Kalajoki | 1,242.64 mi (1,999.84 km) |
| Hounslow to Kangasala | 1,149.34 mi (1,849.68 km) |
| Hounslow to Kankaanpaa | 1,111.69 mi (1,789.10 km) |
| Hounslow to Karhula | 1,213.59 mi (1,953.09 km) |
