Allen, most RVers average about 50 mph. How long a day you put in depends on your stamina and how quickly you feel you want to get someplace. Because we were always short on time, we averaged 500 miles/day when we had a good distance to travel. Made for some VERY long ones. Keep in mind that issues like traffic and weather play a big part in how long it will take you to get somewhere. As far as reservations go, I always plan ahead because I don't like unpleasant surprises and have seen others get turned away when they didn't plan ahead. However, many on the forum don't make reservations and have had no issues. If it's peak season in a highly sought after area, reservations certainly wouldn't hurt. Otherwise, if you are willing to risk it, just go where your heart leads you.