- United States Postal Service
- 5,250,843,896 kilometre(s)
- United States (Cape Canaveral)
The farthest distance travelled by a postage stamp is 5,250,843,896 km (3,262,723,132 mi) and was achieved by the United States Postal Service (USA), who placed the postal stamp on the New Horizons Spacecraft, launched from Cape Canaveral, Florida, USA, on 19 January 2006 and arriving at Pluto on 14 July 2015.
The stamp that was placed on the New Horizons spacecraft was a 1991 "Pluto-not yet explored" U.S. postage stamp.