From Milton Keynes Centr. train to Euston Underground Station, Tube to Vauxhall(London), then train to Wimbledon. 58min £26. From Central Milton Keynes, The Point (Central Milton Keynes The Point G3) line 99 bus to Airport Bus Station, line 757 bus to Baker Street Underground Station, Tube to Westminster, Parliament Square, then bus to Wimbledon, Alexandra Rd Wimbledon Stn. 2hrs 50min £20. From Oldbrook, South Saxon Roundabout South (Oldbrook Playpark) bus to Luton then train to Wimbledon. 3hrs 09min £22. From Milton Keynes drive to Wimbledon. 1hrs 11min £13.