1 hour 40 minutes
A random search for flights from Glasgow (GLA) to Edmonton (YEG) shows:OPTION 1: 13hr 30min via London Heathrow (LHR) GLA - LHR British Airways Flt 1479 Dep 10:40am 07May,Fri LHR - YEG Air Canada Flt...
Glasgow-London-Bucharest: ca. 6 h 30 min with British Airways
It will take you 8 hours 33 minutes to cover the distance of 409.2 miles (according to http://www.transportdirect.info/ ).
Africa is a HUGE continent (approximately three times the size of the United States). So you'll have to be more specific.