Jet Newton Park Service Station: 168.9p a litre, 3.8 miles away. 6.0p a litre cheaper: saves £3.30 a tank, and costs about £1.45 of fuel to get there and back. Worth the trip.
Sainsburys Darlington: 169.9p a litre, 0.8 miles away. 5.0p a litre cheaper: saves £2.75 a tank, and costs about 30p of fuel to get there and back. Worth the trip.
Mfg Morrisons Darlington North Road: 169.9p a litre, 0.8 miles away. 5.0p a litre cheaper: saves £2.75 a tank, and costs about 30p of fuel to get there and back. Worth the trip.
Carmel Road Filling Station: 169.9p a litre, 0.9 miles away. 5.0p a litre cheaper: saves £2.75 a tank, and costs about 34p of fuel to get there and back. Worth the trip.
Gem Darlington: 169.9p a litre, 1.3 miles away. 5.0p a litre cheaper: saves £2.75 a tank, and costs about 50p of fuel to get there and back. 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.