3 and 3/4 hours
53 mins
It depends
Springfield Ohio to Hannibal Missouri
Rockford is not IN Texas.
16 hours
It will take 10 hours and about 15 minutes.
About 12 hours according to Google Maps.
5 hours
About an hour and a half.
Tulsa, Oklahoma to Las Vegas, Nevada is 1,229 miles and about 18 hours.
Assuming your speed is constant - 25 hours 15 minutes.
Speed=50mph distance =350miles.