First Class Mail is delivered in three to five days.
That is a distance of 94.3 miles. If you can keep up a pace of 3 miles an hour it would take about 31.5 hours.
http://tinyurl.com/yub28z About 6 hours
I would say about an hour
It depends on you. From NYC to Lancaster took about 3hrs and something (afternoon); from Lancaster back to NYC about 2:30 - 2:45 (evening).