35 miles taking this route:
About 3 quarters of a hour excluding traffic which is normally quite bad x
30 miles as the crow flies, slightly more on the motorway.
No. You can get a tube train from Heathrow into central London and then an overhead train from London to Luton.
The closest main airport to Oxford is Heathrow. Luton, Gatwick and Stansted are all much further and roughly the same distance from Oxford.
There are no trains between Luton and Heathrow but there is a shuttle bus service.
36 miles
They are all airports near London.
From London (Heathrow) to Otopeni: 3 h 30 min. Luton is near London.
About 40 miles
about 45 minutes
The main airport is Heathrow. The secondary airport is Gatwick.
Luton is a town about 30 miles north of London. It is also home to London Luton Airport. Heathrow is a larger and closer airport but frequently domestic travel and sometimes international travel is cheaper when done through Luton.