It is 600.08 miles when driving via Fort Worth and Wichita Falls which is the fastest route according to MapQuest.
The driving distance between Phoenix, AZ and Amarillo, TX is approximately 870 miles and takes around 13-14 hours to drive without traffic.
749 miles
427 miles
About 660 miles
490 miles
About 430 miles
327 miles
About 365 miles
410 miles
325 miles
353 miles
The driving distance is about 415 miles.