By all the usual methods of transport: fly, by train, drive.
811 km
Venice, Italy is about an hour and 15 miles away from Frankfurt, Germany when flying on a commercial airline. There is approximately 365 miles between the two locations.
Toronto, ON (YTO) to Venice (VCE) Shortest Flight Duration * 9 hours 50 mins * Via Frankfurt International Apt, Frankfurt (FRA) * this includes transfer time at Frankfurt International Apt, Frankfurt (FRA)
Sydney (SYD) to Venice (VCE) Shortest Flight Duration * 25 hours 35 mins * Via Frankfurt International Apt, Frankfurt (FRA)
I flew from El Paso to Denver, from Denver to Frankfurt, Germany, From Frankfurt to Rome. A total of 16 hours flight time, without layovers. Venice is accessible by rail or by car and of course by boat. Its about a 3-4 hour train ride from Rome to Venice.
The distance between the above places is 384 miles. This distance is point to point straight distance. The actual distance may vary according to the flight path chosen. Also this is not the airport to airport precise distance.
There are two airports in Frankfurt: Frankfurt Airport (FRA) and Frankfurt-Hahn Airport (HHN).
Frankfurt to Paris is 573km and Frankfurt to Amsterdam is 442km. So Paris is farther from Frankfurt than Amsterdam.
The distance between Frankfurt am Main and Frankfurt (Hahn) airport is ca. 120 km:
FRANKFURT
Depemds on which Frankfurt if it is Frankfurt Hessen it is the Rhein River and if it is Frankfurt Brandenburg it is the Oder River.
Frankfurt is found in Hesse (German: Hessen). I have to improve my answer, when you just talk about Frankfurt than you usual mean Frankfurt am (on the) Main, which is in Hesse (Hessen) But there is another Frankfurt in Germany, which is called Frankfurt an der (on the) Oder, that is in eastern Germany. This Frankfurt is found in Brandenburg.