Over 390 miles of passageways have been mapped.
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More then 390 miles of passageways have been mapped.
Over 390 miles.
It is difficult to determine exactly how many miles of Mammoth Cave have not been discovered as the cave system is constantly being explored and mapped. However, the known explored length of Mammoth Cave is over 400 miles, making it the longest known cave system in the world.
The height and width of Mammoth Cave varies depending on where you happen to be in the cave. Its explored length is about 400 miles (over 600 km), and spelunkers report that there are still many more miles to discover.
3 miles (4.8km) of corridors in parliament.
there are 3 miles(4.8km) of corridors in the houses of parliament.
With more than 350 miles of surveyed passageways, Mammoth Cave is at least 3 times longer than any cave known. How long might it be? Geologists estimate that there could be as many as 600 miles of yet undiscovered passageways.
Mammoth Cave has 5 levels of passages.
The driving distance from Mammoth Cave National Park in Kentucky to Fargo, North Dakota is 1,031 miles via I-65 N to I-90 W per MapQuest. The driving time per MapQuest is 15 hours and 43 minutes.
About 380 road miles to Mammoth Lakes.
About 500,000.