Fuel is burned throughout the flight, not just take-off (and initial climb to altitude), which is why airliners flying long-haul routes usually gain altitude as they progress. The Cessna 172 seems to have a fuel fraction of around 20% (an order of magnitude higher than a car), and airliners are much higher (~40%).[1][2]

[1] https://en.wikipedia.org/wiki/Cessna_172

[2] https://en.wikipedia.org/wiki/Fuel_fraction

A 2020 Toyota Camry --- a typical 4-door sedan --- has a curb weight of 3,340 lb and a 15.8 gallon fuel tank (95 lb), for a fuel-to-weight ratio of 2.8%.

Range is ~615 miles at 39 mpg highway.

Passenger and cargo capacity is another 1,500 lb on top of this, give or take.

This is far lower than any conventional aircraft, though a few ultralights might compare.

Even on a tiny little Cessna fuel is 1/8th of the weight, and fuel burn per hour in cruise is approx. 50lbs/hr.

And again with my Camry example, assuming 60 mph and 39 mpg, that's about 9 lb/hr fuel consumption.

The Cesna has a 140 mph cruise, a bit over double that of the Camry on highway, but that still means 20 lb at equivalent distance for the car, less than half the light plane.

Aircraft are fuel burners.

(Agreeing, just giving land-travel equivalent.)