Längengrad
- Jahr: 2000
- Land: United Kingdom
- Genre: TV-Film, Drama, Historie
- Studio: Granada Productions, A+E Studios
- Stichwort: post-traumatic stress disorder (ptsd), inventor, jamaica, time, 18th century, sailing ship, greenwich london, british sailor, watchmaker, longitude, chronometer, transit of venus, royal society
- Direktor: Charles Sturridge
- Besetzung: Michael Gambon, Jeremy Irons, Ian Hart, Andrew Scott, Bill Nighy, Gemma Jones