Hi Fjneill_8, thank you for your question. We are about 9 miles from Wembley. The easiest way is by taxi and is around £20 which carry 4 passengers.
To be honest any of the airports are fairly convenient, Stansted, Luton, Heathrow or City Airport have decent links to us and take around 60 mins. We can always organise a car to collect which sometimes are very comparable to public transport prices and easier.