Jet Newton Park Service Station: 168.9p a litre, 4.7 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about £1.80 of fuel to get there and back. Not worth the trip.
Sainsburys Darlington: 169.9p a litre, 0.4 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about 15p of fuel to get there and back. Worth the trip.
Carmel Road Filling Station: 169.9p a litre, 0.6 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about 23p of fuel to get there and back. Worth the trip.
Gem Darlington: 169.9p a litre, 1.5 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about 57p of fuel to get there and back. Not worth the trip.
Mfg Morrisons Darlington North Road: 169.9p a litre, 1.5 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about 57p of fuel to get there and back. Not worth the trip.
On a 55-litre tank at 40mpg. The distance is straight-line rather than by road, so a real trip is longer than the one costed here.