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100 Days, or 2400 Hours.
Tradition states that the river was crossed in the course of a few hours at most.
Long refers to time and the time it takes to cross the US is dependent on the distance it is across the US and the rate of travel used. As there are various rates of travel possible then there is a range of times for crossing the country.
across the world and back again, for as long as it stays solid.
across the world and back again, for as long as it stays solid.
12 hours
3.1999999 secs
It takes about 997.186 seconds for light to travel across the diameter of Earth's orbit.
Light travels 186,300 miles per second
depends where you are going! it could be from an hour to about 9hours!
since it first opened.
Approx 100000 to 180000 years.