Since I don't know your original unit of measurement, I'll offer a few options:
16.45 meters = .01645 kilometers
16.45 miles = 26.473709 kilometers
16.45 feet = .00501396 kilometers
16.45 yards = .01504188 kilometers
1,645 kilometers=1,022.15561 miles
There are 1.609344 kilometres in one mile. Therefore, 1645 miles is equal to 1645 x 1.609344 = 2647.37088 kilometres.
8 km is about 5 miles and so it works out as 2,632,000,000 kilometers
Tennessee River's length is 1,049.3 kilometers.
Length of Dead Sea is 67 kilometers and its width is 18 kilometers.
It is 7500 kilometers long.
Meters
Yes. 1645/5 = 329
KIlometers is a measure of length, tonnes are a measure of mass. The is no conversion factor from mass to length.
85 centimeters is 0.00085 kilometers.
0.024 kilometers
Kilometers are measurements of length, not time.