Here are some cumulative stats according to my GPSr. My plan was to turn on the GPS each day when we started out, and leave it on until we arrived at the day’s destination. I pretty much succeeded in doing so so these stats cover our travel day including any breaks we took.

Total Odometer Miles: 697.67
Max Speed: 45.3 mph
Moving Time: 66hr 53min
Moving Avg: 10.4 mph
Stopped: 24hr 23min
Overall Avg: 7.6 mph
Total Ascent: 29,681′