Distance from Perth to Castries

The distance between Perth, Australia and Castries, Saint Lucia is 17,996 km (11,182 miles) in a straight line. If a road route exists, expect roughly 22494 km (13977 miles) by car — around 281 h 11 min of driving.

Measure Value
Straight-line distance 17,996 km / 11,182 mi
Road distance (estimate) ≈ 22494 km / 13977 mi
Driving time (estimate) ≈ 281 h 11 min
Flight time (estimate) ≈ 21 h 40 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
Perth, Australia -31.943841237 115.860522474
Castries, Saint Lucia 14.011588 -60.9882327

Frequently asked questions

How far is Castries from Perth?

The straight-line (air) distance from Perth, Australia to Castries, Saint Lucia is 17,996 km (11,182 miles). By road it is roughly 22494 km (13977 miles), depending on the route.

How long does it take to drive from Perth to Castries?

Approximately 281 h 11 min, assuming an 80 km/h average over an estimated road distance of 22494 km. Actual time depends on the route, traffic and border crossings.

How long is the flight from Perth to Castries?

A direct flight covers 17,996 km in about 21 h 40 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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