Ohio
- Racine
- Radnor
- Randolph
- Rarden
- Ravenna
- Rawson
- Ray
- Rayland
- Raymond
- Reedsville
- Reesville
- Reno
- Republic
- Reynoldsburg
- Richfield
- Richmond
- Richmond Dale
- Richwood
- Rickenbacker AFB
- Ridgeville Corners
- Ridgeway
- Rio Grande
- Ripley
- Risingsun
- Rittman
- Robertsville
- Rock Camp
- Rock Creek
- Rockbridge
- Rockford
- Rocky Ridge
- Rocky River
- Rogers
- Rome
- Rootstown
- Roseville
- Rosewood
- Ross
- Rossburg
- Rossford
- Roundhead
- Rudolph
- Rushsylvania
- Rushville
- Russells Point
- Russellville
- Russia
- Rutland