Air distance from Riga, Latvia to Brazzaville, Congo is 4225 Miles (6799.6 Kilometers / 3669 Nautical Miles).
8 hrs, 46 mins is the flight duration between Riga and Brazzaville. This is the In-The-Air flight time. You should also add the taxi time, airport wait times and possible delays due to bad weather, etc. for the total flight duration time.