Winchmore Hill Esso Express: 167.9p a litre, 0.3 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about 11p of fuel to get there and back. Worth the trip.
Mfg Southgate: 167.9p a litre, 1.6 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about 61p of fuel to get there and back. Worth the trip.
Mfg Bush Hill: 167.9p a litre, 1.7 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about 64p of fuel to get there and back. Worth the trip.
Mfg Northumberland Park: 167.9p a litre, 2.6 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about 99p of fuel to get there and back. Worth the trip.
Tgc - Barnet: 167.9p a litre, 2.7 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about £1.03 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.