Sandybank Garage: 162.9p a litre, 3.4 miles away. 12.0p a litre cheaper: saves £6.60 a tank, and costs about £1.25 of fuel to get there and back. Worth the trip.
Rossendale Service Station: 162.9p a litre, 3.7 miles away. 12.0p a litre cheaper: saves £6.60 a tank, and costs about £1.37 of fuel to get there and back. Worth the trip.
Tesco Rawtenstall - Petrol Filling Station: 163.9p a litre, 2.5 miles away. 11.0p a litre cheaper: saves £6.05 a tank, and costs about 93p of fuel to get there and back. Worth the trip.
Gem Rawtenstall: 165.9p a litre, 2.1 miles away. 9.0p a litre cheaper: saves £4.95 a tank, and costs about 79p 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.