Everyone's steps are different lengths. In fact, it is quite common for the same person to step several different lengths. Thus. this can't be answered without a measurement of what "1 step" equals.
680 km = 422.5
680 Miles :)
6407.807999997949 steps
Well it depends on how big your steps are but on average there are about 13 miles in 27963 steps.
So mph means miles per hour, king. So for 680 miles, you gotta divide it by 40 (your speed), so that would be 680/40, which is 17, so 17 hours
Answer: 680 yd = 0.386363 miles.
680 miles
It takes A/680 hours.
About 680 miles.
680 miles
About 680 road miles.
There are 6 miles in 31,680 feet
Approx 423 miles.
680 miles
The shortest distance is 680 miles.
680 miles
It is 680 miles according to Google Maps.