Travel restrictions for Denmark New travel restrictions for passengers travelling to Denmark. Until April 5th, all passengers must present proof of a negative COVID-19 test, there is no more than 24 hours old, upon arrival to Denmark. Additionally, it is mandatory to have a Covid-19 test performed in CPH upon entry to Denmark. The restrictions are being updated on a continuous basis. Please keep updated concerning the most recent restrictions at https://coronasmitte.dk/en