(C) = Trip completed
2020
April: Nur-Sultan (Kazakhstan)
May: Podgorica (Montenegro)/Sarajevo (Bosnia & Herzegovina)/Belgrade (Serbia)
June: Chisinau (Moldova)
September: Yerevan (Armenia)/Tbilisi (Georgia)
October: Granada/Seville (Spain)
2021
March: Rome (Italy)/Vatican City (Vatican City State)
April: Andorra la Vella (Andorra)
May: Ankara/Istanbul (Turkey)
June: St. Petersburg/Moscow (Russia)
August: Monaco (Principality of Monaco)
September: Reykjavik (Iceland)
2022
March: Verona (Italy)
April: Salzburg/Hallstatt (Austria)
May: Bordeaux (France)
June: Copenhagen (Denmark)
September: Dubrovnik (Croatia)