Broken Records

Longest distance for quantum entanglement

The current longest distance for quantum entanglement record is 747.5 miles, held by Jian-Wei Pan's team using the Micius (QUESS) satellite, set on June 16, 2017. Last checked October 14, 2026.

747.5

miles

Jian-Wei Pan's team using the Micius (QUESS) satellite

Between Delingha and Lijiang ground stations, China, 2017

Holder
Jian-Wei Pan's team using the Micius (QUESS) satellite
Record
747.5 miles
Metric
1,203 km
Exact figure
1,203 km (1,203,000 m)
Location
Between Delingha and Lijiang ground stations, China
Date set
June 16, 2017
Recognized by
No single governing body; peer-reviewed record reported in Science
Last checked
October 14, 2026

Put it in perspective

At 747.5 miles, it is as long as 28.5 marathons laid end to end.

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