Petrol and diesel prices at Corby Hill Filling Station

Corby Hill Filling Station, CA4 8PL.

What it is charging

Unleaded: 169.9p a litre, 1.8p under the national average, filed Monday 26 October
Diesel: 198.9p a litre, 0.2p over the national average, filed Tuesday 20 October
Super unleaded: 183.9p a litre, filed Monday 26 October
Super diesel: 212.9p a litre, filed Tuesday 20 October

Exelby Services Golden Fleece: 167.9p a litre, 4.1 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about £1.56 of fuel to get there and back. Not worth the trip.
Crosby Moor Filling Station: 169.9p a litre, 2.2 miles away
Carlisle Warwick RD Superstore - Petrol Filling Station: 169.9p a litre, 3.2 miles away
Carleton Filling Station: 169.9p a litre, 4.0 miles away
Whiteclose Gate Filling Station: 169.9p a litre, 4.2 miles away
James Street Service Station: 169.9p a litre, 4.9 miles away

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.