Distance from London Colney to Blackrock
The shortest distance (air line) between London Colney and Blackrock is 269.96 mi (434.45 km).
How far is London Colney from Blackrock
London Colney is located in Hertfordshire, United Kingdom within 51° 43' 33.6" N -1° 42' 0" W (51.7260, -0.3000) coordinates. The local time in London Colney is 10:23 (17.08.2025)
Blackrock is located in Dublin, Ireland within 53° 18' 5.4" N -7° 49' 19.92" W (53.3015, -6.1778) coordinates. The local time in Blackrock is 10:23 (17.08.2025)
The calculated flying distance from Blackrock to Blackrock is 269.96 miles which is equal to 434.45 km.
London Colney, Hertfordshire, United Kingdom