N20

N20 may refer to:

N20 (Long Island bus)
FFA N-20, a Swiss jet fighter aircraft
N20, a postcode district in the N postcode area
Nitrous oxide (chemical symbol N₂O), informally referred to as laughing gas
London Buses route N20

roads

N20 road (France)
N20 road (Ireland), a National Primary Route
N20 road (Luxembourg)
N20 road (Switzerland)

See also

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