It is roughly 307km, around 190 miles.
The route Athens-Santorini is operated by Olympic Airlines and Aegean Air.
Corfu - Athens - Santorini (Olympic Airlines or Aegean Airlines) From Corfu you can fly to Athens and after from Athens to Santorini or better you can take the ship from Corfu to Igoumenitsa and after you drive to Athens (Piraeus port), then you can take the next ship Piraeus - Santorini. This is the long way but the best because you can see a big part from mainland Greece.
Approx. 2 700 km.
approx. 140 terrestrial miles or approx. 120 nautical miles
distance by road from exeter to athens
Manchester-London-Athens-Santorini: approx. 7 h with Aegean Airlines and Olympic Air.
Rome-Athens-Santorini: 5 h 50' with Olympic Air
There are approximately 153 miles between Athens and Sparta.
Pittsburgh-Paris-Athens-Santorini: approx. 18 hours with Air France and Aegean Airlines.
Philadelphia-Paris-Athens-Santorini: approx. 17 hours with Air France and Olympic Air.
The driving distance from London, UK to Athens, Greece is 3146km
santorini, Rhodes and mykonos