How long is the flight to Africa from Colorado?

There are no direct flights from Colorado to Africa. The flight duration from Denver International Airport (DEN) to Johannesburg O.R. Tambo International Airport (JNB), the largest airport in Africa, is approximately 17 hours and 30 minutes, with a layover in a connecting city such as London, Paris, or Frankfurt. The total flight time can vary depending on the specific route and airline.

It's worth noting that flight times and schedules can change, so it's best to check with the airline or a flight booking website for the most up-to-date information.