About three hours.
Yuma is 180 miles southwest of Phoenix
It is 9 hours and 25 minutes according to MapQuest.
Google Maps estimates the driving time as 29 hours.
It is a five hour drive.
If you mean by airline, and if you mean Yuma Arizona, about ten minutes. However if you have Phoenix in mind, about 60-70 minutes. However, Phoenix is about 6-8 hours by road.
It takes 22 hours, 7 minutes and 49 seconds to drive from St Louis to Phoenix!
The total distance is 184 miles. The journey would take about 2 hours and 55 minutes.
Google Maps estimates the driving time as 31 hours.
185.21 miles
27 hours
26 hours
Google Maps estimates the driving time as 44 hours.