627 Kilometers that's about an 8 hr drive depending on the road condition. more likely that would be the same number of hrs riding a train
The average flight time is 37 minutes.
It takes 4 hours.
On an express train (TVG), a little over 6 hours.
Take a train from St Moritz to Chur. At Chur change for a train to Zurich. At Zurich Hauptbahnhof take a train to the Paris Gare de l'Est.
About 4h30. There are 5-6 trains per day.
On an express train (TVG), a little over 6 hours.
640 km taking E15 (SUD) to E60, then E60 to Zurich.
Paris is West of Zurich.
About 8½ hours.
You cannot get a train from Zürich to Dubai. You have to fly.
By train, it will take 8 hrs 20 minutes.
get the train to zurich main station (zurich HB) and then change train to landquart then change train again to davos platz
the distance from Zurich to Paris is 596 km. The driving time is about 6H10.