that's a 3 hour drive and I don't have a truck to tow it
What is your AFR under normal driving conditions? It could be safe to drive if you keep your foot out of it. (Hard to do I know) If your around 14.5 +/- at idle and close to that under normal driving conditions, you are safe to drive that distance.
FYI, I have the AEM Failsafe Wideband, and I see 14.4 +/- at idle and about 11.2-11.4 under WOT.
Mail order tune is not a terrible way to go IMO with your mods (pretty standard) if you can data log and send the data back. This is just not a method I prefer. I like to have the car on the good old DYNO. That being said, you have The Dyno Shop in Santee, CA that may rent you the dyno for some remote tuning. Pretty good group of guys there.