If you're driving from London, take the M40 towards Oxford and exit at junction 2 towards Beaconsfield and High Wycombe. From Birmingham, take the M40 south towards London and exit at junction 4 towards High Wycombe and Marlow.
If you're traveling by train, there are two main railway lines connecting the county to London: the Chiltern Main Line and the West Coast Main Line. Trains run from London Marylebone to High Wycombe and Aylesbury, or from London Euston to Milton Keynes and Hemel Hempstead.
For those traveling from nearby cities or towns, there are frequent bus services from Oxford, Reading, and Milton Keynes, as well as local bus services across the county.
Overall, the best way to get to Buckinghamshire will depend on your starting point and preferred mode of transportation. However, whether you're driving or taking the train, there are many convenient routes to get you to this beautiful English county.
The closest airport to Buckinghamshire is London Heathrow Airport, which is approximately 20 miles away. The quickest and easiest way to get to Buckinghamshire from Heathrow is by taxi or private car, which should take around 30-40 minutes depending on traffic conditions. Alternatively, there are train and bus services available from Heathrow to Buckinghamshire, which can take between 1-2 hours depending on the mode of transport and the destination in Buckinghamshire.