Depends on the vehicle you are driving.
15 billion miles
At 15 miles per gallon, 7 gallons of petrol.
The answer depends on the petrol consumption of the vehicle in miles/gallon km/metre etc.
15 pounds = 240 ounces (1 pound = 16 ounces).
16 oz. make 1 pound, so 15 ounces is just under a pound, or 94% of a pound.
15 grams is 0.033 pound.
Answer: 15 km = 9.32056 miles.
15 kilometers = 9.32056788 miles.
Depending on your vehicle a liter of petrol (gas) can last anywhere from 4 kilometers to 15 kilometers.
15 kilometers are 9.32057 miles.
There are 15 to 16 cups of lavender in a pound of lavender.
15 Kilometres = 9.3205679 miles