Distance from Castledermot to Mackay

The distance between Castledermot, Ireland and Mackay, Australia is 15,933 km (9,900 miles) in a straight line. If a road route exists, expect roughly 19917 km (12376 miles) by car — around 248 h 58 min of driving.

Measure Value
Straight-line distance 15,933 km / 9,900 mi
Road distance (estimate) ≈ 19917 km / 12376 mi
Driving time (estimate) ≈ 248 h 58 min
Flight time (estimate) ≈ 19 h 15 min

Road distance and travel times are estimates based on the straight-line distance (road factor 1.25, average speed 80 km/h) — actual routes vary.

Place Latitude Longitude
Castledermot, Ireland 52.9120717 -6.8375819
Mackay, Australia -21.154970018 149.16641001

Frequently asked questions

How far is Mackay from Castledermot?

The straight-line (air) distance from Castledermot, Ireland to Mackay, Australia is 15,933 km (9,900 miles). By road it is roughly 19917 km (12376 miles), depending on the route.

How long does it take to drive from Castledermot to Mackay?

Approximately 248 h 58 min, assuming an 80 km/h average over an estimated road distance of 19917 km. Actual time depends on the route, traffic and border crossings.

How long is the flight from Castledermot to Mackay?

A direct flight covers 15,933 km in about 19 h 15 min at typical cruise speed, plus airport time. Not all city pairs have direct flights.

How do I calculate distances for a whole list of locations?

Upload a CSV or Excel spreadsheet to the batch distance calculator — it computes the distance for every origin–destination row at once. The first records are free to try.

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