Mt Williamson (14,375') is the second highest peak in California.  The most common route is from the Shepherd Pass TH, about 50km round trip, with over 8000' of elevation gain.  Including Tyndall adds about 2 miles and 1500' of elevation gain.

Run between the international airport and the city's most prominent building, Petronas Towers which were the tallest in the world from 1998-2004 and have become something of a Malaysian national symbol.

Here's Greg Nance's route:

Running between Singapore's international airport and Marina Bay Sands, the city's most prominent building, which is featured on most of Singapore's postcards and has become the celebrated landmark.  About 17km.

The Southwest Face route (which has also been called the Weenie Route or the Beanie Route) is as follows: