If you lean towards warmongering, you're likely to find Pangaea really easy.
Depends on your definition of easy. Continental maps don't make warmongering "harder". They just make it take longer. In fact I consistently debate what's worse with myself;
-Playing on a Pangaea thus having military access to everyone when you want it.
-Playing with continents thus being essentially invincible once you secure your continent.
Continental play is usually an exercise in tedium for me, unless the continent I secured is smaller than my opponents. Even then, I can rest assured 90% the time on two facts;
-I will be able to successfully invade them.
-They won't be able to successfully invade me.
Which makes the game pretty easy regardless of what victory I'm shooting for.
All of this of course depends on the "political situation" of the respective continents. But in the event I'm aware that I'm playing a continental map of some kind, I'm quick to establish control over my continent. Which tends to happen regardless, since the end goal of any of my games is conquest. So neighbors tend to fall fast anyway.
Anyway, all I'm trying to say is that I don't think continental games are harder for conquest victories at all. They're just more annoying. If annoying and possibly a bit more time consuming (out of tedium) can equate to difficulty, then sure, it's harder. But in my opinion it's not actually more
difficult.
At the moment I think the more difficult scenario is being on a crowded map surrounded by multiple opponents. This could be continental, Pangaea, Big and Small on the main continent, those flat maps (great plains, and the mountain one,etc). Usually with more opponents than the map size. If you're stuck with more people, and less space, and for good measure happen to be surrounded - then things will get tricky.
Oh and finally, as multiple posts have displayed - in the end there's no difinitive. It depends on the player and how they (or,
you, OP) handle the map. All you can do is listen to why each of us think, or feel, a particular setting is too hard/easy. Then judge for yourself.