noun, noun which may take the genitive case particle 'no'
long distance; long haul
Used as a noun or adjectivally with の to describe travel, transport, communication, or relationships spanning a great distance.
長距離の移動は疲れる。
Long-distance travel is tiring.
彼らは長距離恋愛を続け
They are maintaining a long-distance relationship.
noun
Abbreviation of 長距離競走; used in sports contexts to refer to long-distance running events.
See also: 長距離競走
彼は長距離で全国大会に出場した。
He competed in the national tournament in the long-distance race.