What OTC anti-vomiting meds are there?

I'll be travelling for long hours and I always suffer from motion sickness. Dramamine is not an option as my trip requires taking a plane first and then a bus. I want something to be bought over the counter. So, Zofran tabs are not an option too as they need prescription.

why not dramamine? they sell it in airports for motion sickness. bouncing up and down in a airplane is the same as in a boat.

The sea sickness bands actually work. My Wifte wore them when she had severe morning sickness. What about Gravol?