Canterlot-Camelot
Manehattan-Manhattan
Appleloosa-based on horse breed Appaloosa
Dragon Lands-Bad Lands
Fillydelphia-Philadelphia
Trottingham-Nottingham, UK
Las Pegasus-Las Vegas
Baltimare-Baltimore
Smokey Mountains-Smokey Mountains
Stratusburg-Strasbourg or Strasburg, VA
Bales-Wales
Hoofington-Huffington
Saddle Arabia-Saudi Arabia
Cloudsdale-based on Clydesdale horse breed
Applewood-Hollywood
Vanhoover-Vancouver
Dodge Junction-Dodge City, KA
Foaledo-Toledo
San Franciscolt-San Francisco
Seaddle-Seattle, also saddle
Whinneapolis-Minneapolis
I know there are many more created by Bronies but I'm sticking to the canon ones. If you want the rest, here's the link: www.equestriadreamers.com/forum/index.php?topic=1046.0 or look up pony puns for cities in MLP.
