Mfg Morrisons Ilkeston: 165.9p a litre, 1.7 miles away. 4.0p a litre cheaper: saves £2.20 a tank, and costs about 64p of fuel to get there and back. Worth the trip.
Asda Kirk Hallam Express Petrol: 166.9p a litre, 2.0 miles away. 3.0p a litre cheaper: saves £1.65 a tank, and costs about 75p of fuel to get there and back. Worth the trip.
Sainsburys Kimberley: 166.9p a litre, 2.6 miles away. 3.0p a litre cheaper: saves £1.65 a tank, and costs about 98p of fuel to get there and back. Worth the trip.
Asda Strelley Supermarket: 167.7p a litre, 4.2 miles away. 2.2p a litre cheaper: saves £1.21 a tank, and costs about £1.60 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.