There are several small airfields in Kent but no large commercial airport.
The airport code for Chatham-Kent Airport is XCM.
The airport code for Manston - Kent's International Airport is MSE.
in south kent
In plumington
About 70 miles
The distance between Gatwick Airport and Swanley, Kent, UK is 30.5 miles and will take about 36 Minutes of driving time.
40 miles
Birmingham airport was opened on 8/7/39, by the Duchess of Kent, Princess Marina of Greece and Denmark.
Approximately 15 miles.
About 60 miles north using the M25 and M11.
The Observatory Hotel is located at 89-113 Kent Street, Sydney, NSW 2000, Australia. The Hotel Observatory is reachable from Sydney International Airport or Kingsford Smith Airport.
you can take heathrow express from airport to paddington station , then from there you can take a bus to London St pancras station and then train to dover, or you can use a taxi which can be cheaper if you travel with your family.