Unfortunately the question is too vague to offer exact timings as it is not clear whether you are referring to Frankfurt am Main or Frankfurt an der Oder.
Assuming you do mean Frankfurt am Main, the next question that arises is which station do you wish to travel from in Frankfurt a.M. and which station is your end station in Salzburg....
Assuming you are travelling From Hauptbahnhof to Hauptbahnhof (main station to main station) the shortest journey will take 5 hrs 18 mins. This will involve travelling from Frankfurt a.M. to Munich on the Intercity Express (ICE) and then changing to a Eurocity train (EC) for the rest of the journey.
It is possible to travel on one train (ICE) for the whole journey, however the shortest travel time is then 5 hrs 54 mins.
The related link below will take you to the journey planner of the Deutsche Bahn, where you can plan your trip and check times.
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about 3to2 hrs.
22 min
The train ride from Frankfurt, Germany to Dresden, Germany will take about 5 hours if it is an express. If it is not an express it will take about 7 hours.
In time: between 3h51 and 4h06.
In time: between 3h51 and 4h06.
It would depend on how long the journey was.
not to long not to long
The distance from Frankfurt, Germany to Athens, Greece is 1802 kilometers. A flight between the two cities will take 2 hours 44 minutes on average.
The fastest trains take 6h28 (with one change, at Villach).
you can go to the site www.b-rail.be and search there
About 6h45 (with a change of trains at Brussels).