Some research:
Mag-lev trains: 310 mph
Deepest hole: 40,000 ft, 7.6 miles
http://www.gi.alaska.edu/ScienceForum/ASF7/725.html
http://en.wikipedia.org/wiki/Kola_Superdeep_Borehole
Earth's Crust: 20 miles, (less under ocean)
Straight Line Through the Earth from NYC to Tokyo: 6,971 miles
....London to Tokyo: 5,945 miles
....NYC to London: 3,502 miles
Longest Railroad Tunnel: Seikan Tunnel, Japan. 33.5 mile railroad tunnel
Longest Tunnel: Channel Tunnel. 31 mi, 24 mi under sea. 7 years to construct.
World's Deepest Tunnel: Eiksand, Norway. 287 meters deep. 7,796 meters long
Proposed: 24,200 m (15 miles)--Rogfast, Norway. Deepest Point: 383 m below sea level
World's Deepest Mine: East Rand Mine. 3.5 km below surface
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