You are referring to Frankfurt am Main Airport (FRA / EDDF).
Fraport or Frankfurt Airport.
The biggest airport near Frankfurt, Germany is Frankfurt International Airport, about 7 Miles/11 Km from the city center.
Frankfurt International Airport (FRA)
You could ride Ryanair from Kaunas International Airport(KUN) to Frankfurt-Hahn Airport(HHN). Then ride a bus to Frankfurt am Main International Airport (FRA) and go on a China Airlines plane to Taiwan Tauyuan International Airport(TPE).
Flughafen Frankfurt am Main is the German name for the Frankfurt Airport in Germany. This airport is also referred to sometimes as the Rein-Main-Flughafen.
You can travel from Frankfurt International airport to Büdingen by train with a change at Frankfurt/Main (Hauptbahnhof) and another at Geinhausen. Total journey time: about 1h20. Frequency: approximately hourly.
I guess you mean from Frankfurt Airport to Frankfurt-Hahn Airport. There is no train to Hahn Airport, but a bus line.
The nearest major airport is Frankfurt am Main Airport(FRA / EDDF). This airport has international and domestic flights from Frankfurt, Germany and is about 34 road miles / 55km driving distance from the center of Hünstetten.
There are flights leaving from Frankfurt International Airport every two or three minutes. It is Germany's largest airport and the third largest in Europe.
The Frankfurt International airport ( by car half an hour, by train around 40 min)
Depends on the flight, but generally around 8 hours
The nearest International commercial airport is Frankfurt am Main, which is 56 miles away.