Distance from Rosny-sous-Bois to Mont-de-Lans
The distance between Rosny-sous-Bois, France and Mont-de-Lans, France is 508 km (316 miles) in a straight line. If a road route exists, expect roughly 635 km (395 miles) by car — around 7 h 56 min of driving.
| Measure | Value |
|---|---|
| Straight-line distance | 508 km / 316 mi |
| Road distance (estimate) | ≈ 635 km / 395 mi |
| Driving time (estimate) | ≈ 7 h 56 min |
| Flight time (estimate) | ≈ 1 h 6 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 |
|---|---|---|
| Rosny-sous-Bois, France | 48.871952873 | 2.488046674 |
| Mont-de-Lans, France | 45.03626 | 6.13141 |
Frequently asked questions
How far is Mont-de-Lans from Rosny-sous-Bois?
The straight-line (air) distance from Rosny-sous-Bois, France to Mont-de-Lans, France is 508 km (316 miles). By road it is roughly 635 km (395 miles), depending on the route.
How long does it take to drive from Rosny-sous-Bois to Mont-de-Lans?
Approximately 7 h 56 min, assuming an 80 km/h average over an estimated road distance of 635 km. Actual time depends on the route, traffic and border crossings.
How long is the flight from Rosny-sous-Bois to Mont-de-Lans?
A direct flight covers 508 km in about 1 h 6 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.
Related distances
Distance from Mont-de-Lans to Rosny-sous-Bois (reverse route)
GPS coordinates of Rosny-sous-Bois GPS coordinates of Mont-de-Lans