Distance from Marnaz to Rosny-sur-Seine

The distance between Marnaz, France and Rosny-sur-Seine, France is 492 km (306 miles) in a straight line. If a road route exists, expect roughly 615 km (382 miles) by car — around 7 h 41 min of driving.

Measure Value
Straight-line distance 492 km / 306 mi
Road distance (estimate) ≈ 615 km / 382 mi
Driving time (estimate) ≈ 7 h 41 min
Flight time (estimate) ≈ 1 h 5 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
Marnaz, France 46.060523919 6.526860705
Rosny-sur-Seine, France 49.001004484 1.631891618

Frequently asked questions

How far is Rosny-sur-Seine from Marnaz?

The straight-line (air) distance from Marnaz, France to Rosny-sur-Seine, France is 492 km (306 miles). By road it is roughly 615 km (382 miles), depending on the route.

How long does it take to drive from Marnaz to Rosny-sur-Seine?

Approximately 7 h 41 min, assuming an 80 km/h average over an estimated road distance of 615 km. Actual time depends on the route, traffic and border crossings.

How long is the flight from Marnaz to Rosny-sur-Seine?

A direct flight covers 492 km in about 1 h 5 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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