From Central Milton Keynes, The Point (Central Milton Keynes The Point H3) bus to Aylesbury, Bus Station (Bus Stn Bay 7) then line 300 bus to High Wycombe, Frogmoor (viaduct). 2hrs 09min £13. From Milton Keynes taxi to High Wycombe. 50min £117. From Milton Keynes drive to High Wycombe. 50min £8.