World Weather/Climate Extremes Website

Tropical Cyclone: Longest Distance Traveled by Tropical Cyclone

Record Value 13500 km (8500 statute. mi.)
Date of Record 28/11/1960-8/12/1960
Length of Record 1945-present
Geospatial Location Hurricane Ophelia in West Pacific Basin
Instrumentation Determined from aircraft reconnaissance

Reference

http://www.aoml.noaa.gov/hrd/tcfaq/E6.html