| Cross-border town |
Countries |
| Helsingør and Helsingborg |
 Denmark /  Sweden |
| Rhederbrug, Rhederveld and Rhede |
 Netherlands /  Germany |
| Barnflair (Ter Apel) and Barnfleer |
| Veenebrugge and Vennebrügge |
| Zwillbroek and Zwillbrock |
| Ubach over Worms and Übach-Palenberg |
| Spijk and Spyck |
| Baarle-Nassau and Baarle-Hertog |
Netherlands /  Belgium |
| Clinge and De Klinge |
| Koewacht and Koewacht |
| Putte and Putte |
| Lichtenbusch and Aachen-Lichtenbusch |
Belgium / Germany |
| Stubach and Stupbach |
| Obereisenbach, Untereisenbach and Übereisenbach |
 Luxembourg / Germany |
| Wallendorf-Pont and Wallendorf |
| Bollendorf-Pont and Bollendorf |
| Echternach and Echternacherbrück |
| Wasserbillig and Wasserbilligerbrück |
| Comines-Warneton and Comines |
Belgium /  France |
| Wervik and Wervicq-Sud |
| Quiévrain and Quiévrechain |
| Gœgnies-Chaussée and Gognies-Chaussée |
| Grand-Reng and Vieux-Reng |
| Mondorf-les-Bains and Mondorff |
Luxembourg / France |
| Leiding and Leidingen |
France / Germany |
| Petite-Rosselle and Großrosseln |
| Grosbliederstroff and Kleinblittersdorf |
| Obergailbach and Niedergailbach |
| Scheibenhard and Scheibenhardt |
| Lauterbourg and Neulauterburg |
| Neuf-Brisach and Breisach |
| Kembs and Klein Kembs |
| Huningue and Kleinhüningen |
France /  Switzerland |
| Lucelle and Lucelle, Kleinlützel |
| Saint-Gingolph and Saint-Gingolph |
| Île des Faisans and Isla de los Faisanes (Konpantzia / Île de l’hôpital / Île de la Conférence) |
France /  Spain |
| Rheinfelden-Baden (Badisch-Rhyfälde) and Rheinfelden (Rhyfälde) |
Germany / Switzerland |
| Laufenburg and Laufenburg |
| Reckingen (Küssaberg) [de] / Rekingen |
| Vorderriß and Hinterriß |
Germany /  Austria |
| Bayerisch Gmain and Großgmain |
| Altwarp and Nowe Warpno |
Germany /  Poland |
| Rosow and Rosówek |
| Hohenwutzen and Osinów Dolny (Niederwutzen) |
| Zäckericker Loose and Siekierki (Zäckerick) |
| Güstebieser Loose and Gozdowice (Güstebiese) |
| Altrüdnitzer Ausbau and Stara Rudnica (Altrüdnitz) |
| Neulietzegöricke and Stare Łysogórki (Altlietzegöricke) |
| Zelliner Loose and Czelin (Zellin) |
| Küstrin-Kietz and Kostrzyn nad Odrą (Küstrin) |
| Lebus and Nowy Lubusz (Neulebus) |
| Kunitzer Loose / Kunice (Kunitz) |
| Aurith and Urad (Aurith) |
| Guben and Gubin |
| Zelz and Siedlec (Zelz) |
| Klein Priebus and Przewóz (Priebus) |
| Görlitz and Zgorzelec |
| Altlandsberg and Gorzów ((Neu))Landsberg) |
| Altentreptow and Trzebiatów (Treptow) |
| Seifhennersdorf and Horní Jindřichův (Oberhennersdorf) |
Germany /  Czech Republic |
| Zinnwald and Cínovec (Zinnwald) |
| Deutschgeorgenthal and Český Jiřetín (Georgendorf) |
| Deutscheinsiedel and Mníšek (Böhmisch Einsiedel) |
| Deutschneudorf and Nová Ves v Horách (Gebirgsneudorf) |
| Deutschkatharinenberg and Hora Svaté Kateřiny (Böhmisch Katherinenberg) |
| Hammerunterwiesenthal and České Hamry (Böhmisch Hammer) |
| Oberwiesenthal and Loučna (Böhmisch Wiesenthal) |
| Neualbenreuth and Mýtina (Altalbenreuth) |
| Bayerisch Eisenstein and Železná Ruda (Markt Eisenstein) |
| Pelhřimovy and Pielgrzymów |
Czech Republic / Poland |
| Opavice and Opawica |
| Krásné Loučky / Krasne Pole |
| Chomýž and Chomiąża |
| Český Těšín (Czeski Cieszyn) / Cieszyn |
| Horní Líštná and Leszna Górna |
| Dziewięcierz and Devyatyr (Дев'ятир) |
Poland /  Ukraine |
| Uhrusk and Novouhruzke (Новоугрузьке) |
| Tokary and Tokary (Токари, Такары) |
Poland /  Belarus |
| Usnarz Górny and Usnar-Dolnyy (Уснар-Дольный) |
| Minkowce and Minkovcy |
| Nowodziel and Novodel |
| Český Heršlák and Deutsch Hörschlag |
Czech Republic / Austria |
| České Velenice and Gmünd |
| Bad Radkersburg and Gornja Radgona |
Austria /  Slovenia |
| Deutschfeistritz and Slovenska Bistrica (Windischfeistritz) |
| Graz and Slovenj Gradec |
| Deutschlandsberg and Podčetrtek (Windischlandsberg) |
| Oberdrauburg and Dravograd (Unterdrauburg) |
| Unterloibl and Podljubelj (Unterloibl) |
| Moncenisio and Lanslebourg-Mont-Cenis |
 Italy / France |
| Briga Alta and La Brigue |
| Gorizia and Nova Gorica |
Italy / Slovenia |
| Lavena Ponte Tresa and Ponte Tresa |
Italy / Switzerland |
| Cremenaga and Ponte Cremenaga |
| Ponte Chiasso and Chiasso |
| Komárom and Komárno |
 Hungary /  Slovakia |
| Sátoraljaújhely and Slovenské Nové Mesto |
| Balassagyarmat and Slovenské Ďarmoty |
| Esztergom and Štúrovo |
| Nagylak and Nădlac |
Hungary /  Romania |
| Újszalonta and Salonta |
| Kelebia and Kelebija |
Hungary /  Serbia |
| Rio de Onor and Rihonor de Castilla |
 Portugal / Spain |
| Karesuando and Kaaresuvanto |
Sweden /  Finland |
| Kuttainen and Kuttanen |
| Katkesuando and Kätkäsuvanto |
| Muonionalusta and Muonio |
| Kihlangi and Kihlanki |
| Pello and Pello |
| Övertorneå and Ylitornio |
| Karungi and Karunki |
| Valga and Valka |
 Estonia /  Latvia |
| Hrvatska Kostajnica and Kostajnica |
 Croatia /  Bosnia and Herzegovina |
| Hrvatska Dubica and Kozarska Dubica |
| Stara Gradiška and Gradiška |
| Dolina and Donja Dolina, Gornja Dolina |
| Orubica and Orubica |
| Slavonski Kobaš and Kobaš |
| Dubočac and Bosanski Dubočac |
| Slavonski Brod and Brod |
| Svilaj and Donji Svilaj, Gornji Svilaj |
| Slavonski Šamac and Šamac |
| Bosanska Rača and Sremska Rača |
Bosnia and Herzegovina / Serbia |
| Zvornik and Mali Zvornik |
| Metaljka and Metaljka |
Bosnia and Herzegovina /  Montenegro |
| Mali Žam and Jamu Mare |
Serbia / Romania |
| Požeženo and Pojejena |
| Veliki Gaj and Gaiu Mic |
| Chilia Veche and Kiliya |
Romania / Ukraine |
| Sculeni and Sculeni |
Romania /  Moldova |
| Ungheni and Ungheni |
