QUICK ANSWER
How much gas does a 1,200-mile road trip cost?
At 25 MPG, a 1,200-mile trip uses 48 gallons. At $3.40/gallon, estimated fuel cost is $163.20.
1,200 ÷ 25 = 48 gallons · 48 × $3.40 = $163.20
What changes the answer?
Fuel economy, gas price, route, weather, traffic, speed, and vehicle load all change the real-world result.
Full trip budget
Add tolls and parking when comparing the total cost of driving with flying, renting, or another transportation option.