Halfway between Bangkok and Sydney

The midpoint of the shortest route between Bangkok and Sydney is over the Indian Ocean.

Midpoint coordinates
11.094° S 123.731° E
Great-circle distance
7,537km
4,683 mi
Approx. flight time
9h 22min
at 850 km/h, plus 30 min
Initial heading
136°
from Bangkok, true north
Nearest large city
Kupang
Indonesia · 104 km
BKKSYD
  • Shortest route (great circle)
  • Straight line on a flat map
  • True midpoint
  • Where the flat map puts it

Flat-map illusion

Flat-map error
232km

On a Mercator map, the middle of the straight line between these cities is 232 km away from the true midpoint. The shortest route curves toward the pole.

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