Frankfurt ↔ Barcelona
Frankfurt ↔ Belgrade
Frankfurt ↔ Berlin
Frankfurt ↔ Billund
Frankfurt ↔ Birmingham
Frankfurt ↔ Bologna
Frankfurt ↔ Bremen
Frankfurt ↔ Brussels
Frankfurt ↔ Bucharest
Frankfurt ↔ Budapest
Frankfurt ↔ Copenhagen
Frankfurt ↔ Dresden
Frankfurt ↔ Dublin
Frankfurt ↔ Dusseldorf
Frankfurt ↔ Edinburgh
Frankfurt ↔ Gdansk
Frankfurt ↔ Geneva
Frankfurt ↔ Goteborg
Frankfurt ↔ Hamburg
Frankfurt ↔ Hannover
Frankfurt ↔ Helsinki
Frankfurt ↔ Katowice
Frankfurt ↔ Krakow
Frankfurt ↔ Leipzig
Frankfurt ↔ Lisbon
Frankfurt ↔ Ljubljana
Frankfurt ↔ Lyon
Frankfurt ↔ Madrid
Frankfurt ↔ Malta
Frankfurt → Manchester
Frankfurt ↔ Marseille
Frankfurt ↔ Milan
Frankfurt ↔ Munich
Frankfurt ↔ Nice
Frankfurt ↔ Nuremberg
Frankfurt ↔ Oslo
Frankfurt ↔ Paris
Frankfurt ↔ Porto
Frankfurt ↔ Poznan
Frankfurt ↔ Prague
Frankfurt ↔ Rio de Janeiro
Frankfurt ↔ Salzburg
Frankfurt ↔ Sao Paulo

Frankfurt ↔ Sarajevo
Frankfurt ↔ Sofia
Frankfurt ↔ Stockholm
Frankfurt ↔ Stuttgart
Frankfurt ↔ Tallinn
Frankfurt → Timisoara
Frankfurt ↔ Toulouse
Frankfurt ↔ Vienna
Frankfurt ↔ Wroclaw
Frankfurt ↔ Zagreb
Cluj-Napoca → Frankfurt
Munich → Belgrade
Munich ↔ Barcelona
Munich ↔ Berlin
Munich ↔ Bremen
Munich ↔ Brussels
Munich ↔ Cluj-Napoca
Munich ↔ Cologne
Munich ↔ Copenhagen
Munich ↔ Dusseldorf
Munich ↔ Gdansk
Munich ↔ Geneva
Munich ↔ Graz
Munich ↔ Hamburg
Munich ↔ Hannover
Munich ↔ Krakow
Munich ↔ Madrid
Munich ↔ Marseille
Munich ↔ Nice
Munich ↔ Paris
Munich ↔ Poznan
Munich ↔ Rio De Janeiro
Munich ↔ Sibiu
Munich ↔ Sofia
Munich ↔ Stuttgart
Munich ↔ Timisoara
Munich ↔ Toulouse
Munich ↔ Vienna
Munich ↔ Wroclaw
Munich ↔ Zurich
Prague → Munich
Singapore ↔ Frankfurt
Singapore ↔ Munich

Geneva ↔ Frankfurt
Zurich → Barcelona
Zurich → Belgrade
Zurich ↔ Berlin
Zurich ↔ Brussels
Zurich → Dresden
Zurich ↔ Dusseldorf
Zurich ↔ Geneva
Zurich → Graz
Zurich → Hamburg

Zurich ↔ Hannover
Zurich → Ljubljana
Munich → Zurich
Zurich ↔ Nice
Zurich → Nuremberg
Zurich ↔ Sao Paulo
Zurich ↔ Singapore
Zurich ↔ Stuttgart
Zurich → Vienna

Brussels ↔ Barcelona
Brussels ↔ Berlin
Brussels ↔ Hamburg
Brussels ↔ Vienna
Brussels ↔ Lisbon
Brussels ↔ London

Brussels ↔ Copenhagen
Brussels ↔ Madrid
Brussels ↔ Milan
Brussels ↔ Munich
Brussels ↔ Oslo

Dusseldorf ↔ Manchester
Munich ↔ Cologne
Munich ↔ Dortmund
Munich ↔ Hamburg
Zurich  ↔ Hamburg
Zurich ↔ Cologne