Note that this is in-order, and includes duplicate entries when a city was visited multiple times.
Dublin, Ireland Galway, Ireland Cork, Ireland Edinburgh, United Kingdom London, United Kingdom Paris, France Las Vegas, USA Frankfurt, Germany Heidelberg, Germany Cologne, Germany Düsseldorf, Germany Berlin, Germany Dresden, Germany Prague, Czech Republic Wroclaw, Poland Kraków, Poland Kyiv, Ukraine Odessa, Ukraine Lviv, Ukraine Ankara, Turkey Istanbul, Turkey Belgrade, Serbia Helsinki, Finland Stockholm, Sweden Oslo, Norway Reykjavík, Iceland Copenhagen, Denmark Amsterdam, Netherlands Brussels, Belgium Gent, Belgium Brugge, Belgium Zagreb, Croatia Split, Croatia Trogir, Croatia Hvar, Croatia Dubrovnik, Croatia Korcula, Croatia Bol, Croatia Makarska, Croatia Šibenik, Croatia Zādār, Croatia Marseille, France Aix-en-Provence, France Nîmes, France Avignon, France Paris, France Belgrade, Serbia Novi Sad, Serbia Niš, Serbia Budapest, Hungary Munich, Germany Nuremberg, Germany Berlin, Germany Poznan, Poland Gdansk, Poland Vilnius, Lithuania Kaunas, Lithuania Riga, Latvia Tartu, Estonia Tallinn, Estonia Helsinki, Finland Budapest, Hungary Lviv, Ukraine Kyiv, Ukraine London, United Kingdom Glasgow, United Kingdom Aberdeen, United Kingdomo Inverness, United Kingdom Fort William, United Kingdom Edinburgh, United Kingdom Newcastle upon Tyne, United Kingdom York, United Kingdom Leeds, United Kingdom Manchester, United Kingdom Liverpool, United Kingdom Sheffield, United Kingdom Nottingham, United Kingdom Derby, United Kingdom Birmingham, United Kingdom Cardiff, United Kingdom Bristol, United Kingdom Bath, United Kingdom Oxford, United Kingdom Southampton, United Kingdom Brighton, United Kingdom Cambridge, United Kingdom London, United Kingdom Belfast, United Kingdom Dublin, Ireland Barcelona, Spain Madrid, Spain Córdoba, Spain Granada, Spain Seville, Spain Lisbon, Portugal Sintra, Portugal Porto, Portugal Braga, Portugal Guimarães, Portugal Geneva, Switzerland Lausanne, Switzerland Bern, Switzerland Zürich, Switzerland Vaduz, Liechtenstein Schaan, Liechtenstein Lucerne, Switzerland Luxembourg, Luxembourg Basel, Switzerland Milan, Italy Bologna, Italy Florence, Italy Rome, Italy Naples, Italy Palermo, Italy Saint Julian'S, Malta Valetta, Malta Mdina, Malta Vienna, Austria Bratislava, Slovakia Salzburg, Austria Innsbruck, Austria Graz, Austria Maribor, Slovenia Ljubljana, Slovenia Bled, Slovenia Rijeka, Croatia Zagreb, Croatia Banja Luka, Bosnia and Herzegovina Sarajevo, Bosnia and Herzegovina Mostar, Bosnia and Herzegovina Tivat, Montenegro Kotor, Montenegro Budva, Montenegro Podgorica, Montenegro Virpazar, Montenegro Shkodra, Albania Tirana, Albania Berat, Albania Athens, Greece Thessaloníki, Greece Skopje, Macedonia Ohrid, Macedonia Sofia, Bulgaria Plovdiv, Bulgaria Veliko Tarnovo, Bulgaria Varna, Bulgaria Bucharest, Romania Vama Veche, Romania Constanta, Romania Chisinau, Moldova Brasov, Romania Sighisoara, Romania Sibiu, Romania Transfagarasan, Romania Cluj-Napoca, Romania Timișoara, Romania Prishtinë, Kosovo Prizren, Kosovo Peja, Kosovo Belgrade, Serbia Berlin, Germany Munich, Germany Vienna, Austria Budapest, Hungary Antwerp, Belgium Brussels, Belgium Eindhoven, Netherlands Rotterdam, Netherlands The Hague, Netherlands Delft, Netherlands Utrecht, Netherlands Paris, France Montreal, QC Ottawa, ON Winnipeg, MT Calgary, AB Edmonton, AB Vancouver, BC Nanaimo, BC