Distance from Sydney Central Business District to Helena
The distance between Sydney Central Business District, Australia and Helena, United States is 13,140 km (8,165 miles) in a straight line. If a road route exists, expect roughly 16425 km (10206 miles) by car — around 205 h 19 min of driving.
| Measure | Value |
|---|---|
| Straight-line distance | 13,140 km / 8,165 mi |
| Road distance (estimate) | ≈ 16425 km / 10206 mi |
| Driving time (estimate) | ≈ 205 h 19 min |
| Flight time (estimate) | ≈ 15 h 58 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 |
|---|---|---|
| Sydney Central Business District, Australia | -33.86482 | 151.20773 |
| Helena, United States | 46.5910708 | -112.0203973 |
Frequently asked questions
How far is Helena from Sydney Central Business District?
The straight-line (air) distance from Sydney Central Business District, Australia to Helena, United States is 13,140 km (8,165 miles). By road it is roughly 16425 km (10206 miles), depending on the route.
How long does it take to drive from Sydney Central Business District to Helena?
Approximately 205 h 19 min, assuming an 80 km/h average over an estimated road distance of 16425 km. Actual time depends on the route, traffic and border crossings.
How long is the flight from Sydney Central Business District to Helena?
A direct flight covers 13,140 km in about 15 h 58 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 Helena to Sydney Central Business District (reverse route)
GPS coordinates of Sydney Central Business District GPS coordinates of Helena