Small walkie talkie with longest range?

Long-distance, high power and a small convenient size don’t exactly go together in one tidy package for a handheld two way radio. So what’s the best compromise available?

Handheld Radio Channels

I recently bought myself a VHF Marine band portable walkie talkie radio. It was going cheap and I couldn’t resist a bargain.
What I need it for is to use it as an FRS radio. I plan on usingit when I’m out hiking and for stuff like that.
Are the VHF Marine band channels the same as [...]