Distance from Johnstown Bridge to Castleknock

The distance from Johnstown Bridge to Castleknock is approximately 33 km / 21 mi (as the crow flies).

The following map shows the distance from Johnstown Bridge to Castleknock.

For more detailed information about any of the places please click on the place name:
• Johnstown Bridge
• Castleknock

Map options

Current distance: Johnstown Bridge -> Castleknock
Show reverse: Castleknock -> Johnstown Bridge

DistanceRouteRoute by bikeRoute by foot