1,821,600 feet.
There are 5280 feet per mile, so: 7920/5280 = 1.5 miles in 7920 feet.
4 miles 384 feet.
345 yd = 1035 '
There are about: 8/5 times 345 = 552 kilometers
About 345 miles.
About 345 miles.
345 ft = 0.105 km (to 3 dp)
345 feet
345 miles
About 345 miles
345 miles