The address shown on the envelope in Belgium includes the postal code 78605 for Brussels. Belgian postcodes have only 4 digits, not 5, and the codes for the 19 Brussels municipalities are all situated between 1000 and 1210. The "Rue de Lessines" exists, but it is situated in Molenbeek, postal code 1080.
At 39:20 Joachim Król and Jeffrey Dean Morgan sit outside a building labeled: "Kunstmuseum München" ("Art Museum Munich"). While Munich features a fair amount of art museums, none of them feature the generic name: "Kunstmuseum München".
At 37.25 min Kanon is riding a tramp in Stockholm, and it is not i route (Ej i trafik in Swedish).
When bodies are found in Belgium, police hands over an evidence bag marked RF (Republique Française). Although they also speak French in Belgium, France is a whole different country.
In the scene where bodies are found in Brussels Belgium, police officers wear jackets only marked Politie. Belgium police have jackets marked Politie Police (Dutch and French).
At 1' 24" Swedish Police are seen boarding a train to apprehend the suspects, except the train is British, sitting in London King's X Station.
Leaving from Helsinki, Finland, the Haysmith pair said they are going to St. Petersburg. This is a wooded drive on a major highway, and but for the border stop, not more than 7 hours, only 560 Km. The pair are shown driving in the frozen, barren tundra of the north which is nothing like the drive between the 2 cities.