We're out of the helicopter, staring down the Big One, a 4, 500-foot run down a massive glacier by far the longest ski path I've ever seen.

WSJ: Heli-Skiing in Greenland

The South West coast path is the longest of the country's National Trails.

BBC: Lands End looking towards Sennen

Its path to patients was the longest of any medicine on record--14 years.

FORBES: Magazine Article

Critical Path Analysis tells you that you should begin the longest part of a composite task first, in order to reach the conclusion as soon as possible.

BBC: Science & Environment

If human nature continues on its greedy little glide path, there will be frenzied buying sprees of the longest maturing munis that retain their tax-free status.

FORBES: A Trial Balloon That Could Deflate The Muni Market Even Further