| London Colney to Imatra | 1,272.20 mi (2,047.42 km) |
| London Colney to Jakobstad | 1,171.68 mi (1,885.63 km) |
| London Colney to Jamsa | 1,179.21 mi (1,897.75 km) |
| London Colney to Janakkala | 1,136.64 mi (1,829.24 km) |
| London Colney to Jarvenpaa | 1,139.26 mi (1,833.46 km) |
| London Colney to Joensuu | 1,334.36 mi (2,147.44 km) |
| London Colney to Joutseno | 1,262.51 mi (2,031.82 km) |
| London Colney to Jyvaskyla | 1,206.51 mi (1,941.69 km) |
| London Colney to Jyvaskylan Maalaiskunta | 1,207.90 mi (1,943.92 km) |
| London Colney to Kaarina | 1,051.51 mi (1,692.24 km) |
| London Colney to Kajaani | 1,322.53 mi (2,128.41 km) |
| London Colney to Kalajoki | 1,226.21 mi (1,973.39 km) |
| London Colney to Kangasala | 1,134.21 mi (1,825.33 km) |
| London Colney to Kankaanpaa | 1,096.16 mi (1,764.10 km) |
| London Colney to Karhula | 1,199.36 mi (1,930.18 km) |
