Distance from Ronkonkoma to Ashburn
The distance between Ronkonkoma, United States and Ashburn, United States is 421 km (261 miles) in a straight line. If a road route exists, expect roughly 526 km (327 miles) by car — around 6 h 35 min of driving.
| Measure | Value |
|---|---|
| Straight-line distance | 421 km / 261 mi |
| Road distance (estimate) | ≈ 526 km / 327 mi |
| Driving time (estimate) | ≈ 6 h 35 min |
| Flight time (estimate) | ≈ 1 h |
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 |
|---|---|---|
| Ronkonkoma, United States | 40.821691 | -73.132221 |
| Ashburn, United States | 39.0427652 | -77.4858142 |
Frequently asked questions
How far is Ashburn from Ronkonkoma?
The straight-line (air) distance from Ronkonkoma, United States to Ashburn, United States is 421 km (261 miles). By road it is roughly 526 km (327 miles), depending on the route.
How long does it take to drive from Ronkonkoma to Ashburn?
Approximately 6 h 35 min, assuming an 80 km/h average over an estimated road distance of 526 km. Actual time depends on the route, traffic and border crossings.
How long is the flight from Ronkonkoma to Ashburn?
A direct flight covers 421 km in about 1 h 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 Ashburn to Ronkonkoma (reverse route)
GPS coordinates of Ronkonkoma GPS coordinates of Ashburn