I've noticed that a lot of names are cities, in mainly America and Canada. So i'm gonna try and stay away from North America for this one.
Trotscow, Prussia
Neighrobi, Zebrica
Canterberra, Austailia
London, Brayton
Marelin, Germaney
Neighjing, Baise (Chinese Horse Breed, couldn't come up with a pun that would still sound like China)
Ponyo, Neighpon (i tried)
Roan, Itaily
Mane-ico City, Mane-ico
Equineburgh, Trotland
Maresaw, Foaland (Oh yes, i'm going there)