Distance from O'Sullivan Beach to Marleston

The distance between O'Sullivan Beach, Australia and Marleston, Australia is 20.73 km (12.9 miles) in a straight line. If a road route exists, expect roughly 26 km (16 miles) by car — around 20 min of driving.

Measure Value
Straight-line distance 20.73 km / 12.9 mi
Road distance (estimate) ≈ 26 km / 16 mi
Driving time (estimate) ≈ 20 min
Flight time (estimate) ≈ 31 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
O'Sullivan Beach, Australia -35.119103 138.476953525
Marleston, Australia -34.945535065 138.560175847

Frequently asked questions

How far is Marleston from O'Sullivan Beach?

The straight-line (air) distance from O'Sullivan Beach, Australia to Marleston, Australia is 20.73 km (12.9 miles). By road it is roughly 26 km (16 miles), depending on the route.

How long does it take to drive from O'Sullivan Beach to Marleston?

Approximately 20 min, assuming an 80 km/h average over an estimated road distance of 26 km. Actual time depends on the route, traffic and border crossings.

How long is the flight from O'Sullivan Beach to Marleston?

A direct flight covers 20.73 km in about 31 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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