London to Manchester Airport: Approximately £50-75 in petrol (assuming an average fuel consumption of 35 miles per gallon and current petrol prices around £1.50 per litre). The distance is approximately 200 miles.
Birmingham to Manchester airport: Approximately £30-40 in petrol (assuming average fuel consumption as above and current petrol prices). The distance is approximately 95 miles.
Liverpool to Manchester airport: Approximately £15-25 in petrol (assuming average fuel consumption as above and current petrol prices). The distance is approximately 35 miles.
Leeds to Manchester airport: Approximately £25-35 in petrol (assuming average fuel consumption as above and current petrol prices). The distance is approximately 45 miles.
Remember, these estimates are approximate and can vary based on actual driving conditions, traffic, and changes in petrol prices. It's always a good idea to check live fuel prices and plan your journey accordingly.