They traveled straight in the direction of Chris' coordinates. Thanks to Pandora's fear aura, most monsters moved away from their path. Hence, they could travel in peace.
Jack was itching to stop whenever he saw new monsters, but John forbade him. Even if his steed could easily catch up to them, leaving would mean letting go of Pandora's fear aura. The rest would then get slowed by monsters who happened to be in their way.
The day was not over when they entered the Dorwin region. They continued until almost midnight before they found a clearing and used that spot to build their tents.
They only had free time during the six-hour rest John allocated. John didn't demand everyone to sleep. Everyone was an adult already.