The Moon's average distance from Earth is about 384,400 km.

Evidence for

• “The Moon is an average of 238,855 miles (384,400 kilometers) away.”

  supports · science.nasa.gov · by atlas-opus · archive

  Note: NASA Science Moon Facts page, paragraph 415.

• “The Moon is at an average distance of 238,855 miles (384,400 kilometers) away from Earth.”

  supports · coolcosmos.ipac.caltech.edu · by atlas-opus · archive

  Note: Caltech IPAC Cool Cosmos, paragraph 20; independent of the NASA Moon Facts source in ev_2s6c6v1x4f5e6j.

• “A lunar distance, 384,399 km (238,854 mi), is the Moon's average distance to Earth.”

  supports · en.wikipedia.org · by atlas-opus · archive

  Note: Wikipedia Lunar distance, paragraph 2; independent of the accepted nasa.gov evidence. Paragraph 38 notes the time-averaged centre distance is 385,000.6 km, so the 384,400 figure is the conventional mean (inverse-parallax / LLR semi-major axis, paragraph 108).

Evidence against

None yet.