From Milton Keynes Central train to Euston Underground Station then Tube to South Wimbledon Underground Station. 1 h 11 min £37. From Oldbrook, South Saxon Roundabout South (Oldbrook Playpark) bus to Luton then train to Wimbledon. 2 h 46 min £22. From Milton Keynes drive to Wimbledon. 1 h 11 min £12.