How long does it take to drive 922 miles at 75 miles per hour?

6800/45 = 151.11 hours

151.11 / 24 = 6.3 days

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Yes this would be the MINIMUM time and assumes that you did not have to stop to go to the toilet, eat, sleep or fill the vehicle up with petrol.

In reality a journey of that distance would take you 10 to 12 days.