Currently there are no direct flight Copenhagen to Tajikistan.

Flight Copnehagen to Tajikistan with 1 stopover:

Flights via  Istanbul Ataturk (IST), Turkey
From Copenhagen (CPH), Denmark with Turkish Airlines Transfer at Istanbul Ataturk (IST), Turkey Then on to Dushanbe (DYU), Tajikistan with Turkish Airlines
Flights via St Petersburg Pulkovo (LED), Russia
From Copenhagen (CPH), Denmark with Rossiya Airlines Transfer at  St Petersburg Pulkovo (LED), Russia Then on to Dushanbe (DYU), Tajikistan with Rossiya Airlines