It would use 9 gallons in 450 miles.
9 of them.
If you get 25 miles per gallon you will use 72 gallons.
1 mile = 1.609344 km, use this conversion factor
19.6 gallons
Normal driving around 6 gallons.
You will use about 9.2 gallons of fuel on the trip.
35!
176.4
This depends entirely on how many miles per gallon (MPG) your car gets. A car that does 82 MPG, will use only 1 gallon. A car that does 41 MPG, will use 2 a gallons. A car that does 20 MPG will use 4 gallons. Divide the number of miles, by the known MPG of the vehicle.
one gallon!
700 miles / 9 mpg = 77.78 gallons
29.16 gallons
You would use about 31.6 gallons of gasoline.