I've used u-haul car hauler trailers and their tow dollies. I would not recommend the tow dolly for that distance. I used one to haul a bare frame about 30 miles, but would never try it for that distance or with a complete truck. One-way U-haul charges might be more than just paying someone to haul it for you.

Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.