City-to-city distance
Distance from Sofia to Sydney
The great-circle distance from Sofia to Sydney is 15,436 km (9,591 mi), based on city coordinates.
- Kilometers
- 15,436 km Shortest path over the earth's surface.
- Miles
- 9,591 mi Converted from kilometers using statute miles.
- Estimated flight time
- 19 h 55 min Estimated nonstop block time.
Flight estimate
Estimated nonstop flight time from Sofia to Sydney
A typical nonstop flight would take about 19 h 55 min. This assumes an average cruise speed near 805 km/h plus about 45 minutes for taxi, takeoff, climb, descent, and landing.
- Initial bearing
- 96° E
- Coordinates used
- 42.70, 23.32 to -33.87, 151.21
Methodology and limits
This page measures straight-line great-circle distance between city coordinate points. It is not a road route, railway route, or live airline schedule.
- Formula
- Haversine great-circle distance
- City data
- WorldStats city latitude and longitude
- Flight assumption
- 805 km/h cruise speed plus 45 min block overhead
Frequently Asked Questions
Sofia is about 15,436 km (9,591 mi) from Sydney using great-circle distance between city coordinate points.
No. This is a straight-line great-circle distance. Driving routes can be much longer because they follow roads, borders, water crossings, and terrain.
The estimated nonstop flight time is about 19 h 55 min, assuming roughly 805 km/h cruise speed and 45 minutes of block-time overhead.