Halfway between Lisbon and Rio de Janeiro
The midpoint of the shortest route between Lisbon and Rio de Janeiro is over the North Atlantic Ocean.
- Midpoint coordinates
- 8.259° N 27.607° W
- Great-circle distance
- 7,715km
- 4,794 mi
- Approx. flight time
- 9h 35min
- at 850 km/h, plus 30 min
- Initial heading
- 213°
- from Lisbon, true north
- Nearest large city
- Praia
- Cape Verde · 865 km
- Shortest route (great circle)
- Straight line on a flat map
- True midpoint
- Where the flat map puts it
Flat-map illusion
Flat-map error
192km
On a Mercator map, the middle of the straight line between these cities is 192 km away from the true midpoint. The shortest route curves toward the pole.
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