- Racine
- Radcliff
- Radford
- Radnor
- Raeford
- Rahway
- Rainbow City
- Raleigh
- Ralston
- Ramona
- Ramseur
- Ramsey
- Rancho Cordova
- Rancho Cucamonga
- Rancho Murieta
- Rancho Palos Verdes
- Rancho Santa Fe
- Rancho Santa Margarita
- Randallstown
- Randolph
- Rankin
- Ranson
- Rantoul
- Rapid City
- Raritan
- Ravenna
- Ravenswood
- Rawalpindi
- Rawlings
- Raynham
- Raytown
- Reading
- Red Bank
- Red Bud
- Red Lion
- Red Oak
- Red Wing
- Redan
- Redding
- Redford Charter Township
- Redland
- Redlands
- Redmond
- Redondo Beach
- Redwood City
- Redwood Valley
- Reedsville
- Refton
- Rehoboth
- Rehoboth Beach
- Reidsville
- Reinbeck
- Reinholds
- Reisterstown
- Remsenburg-Speonk
- Remus
- Reno
- Renovo
- Rensselaer
- Renton
- Republic
- Reston
- Revere
- Rexburg
- Reynoldsburg
- Reynoldsville
- Rhinebeck
- Rhodesdale
- Rice
- Rice Lake
- Riceboro
- Richardson
- Richboro
- Richfield
- Richfield Springs
- Richland
- Richland Hills
- Richmond
- Richmond Heights
- Richmond Hill
- Ridge
- Ridgefield
- Ridgefield Park
- Ridgeland
- Ridgeley
- Ridgely
- Ridgeville
- Ridgewood
- Ridgway
- Ridley Park
- Ringgold
- Ringwood
- Rio Rancho
- Ripley
- Rising Sun
- Rittman
- Riva
- River Edge
- River Falls
- River Forest
- River Grove
- River Rouge
- River Vale
- Riverdale
- Riverdale Park
- Riverhead
- Riverside
- Riverton
- Riverview
- Riverwoods
- Riviera Beach
- Rixeyville
- Road Town
- Roanoke
- Roanoke Rapids
- Roaring Spring
- Robbins
- Robbinsville
- Robesonia
- Rochelle
- Rochelle Park
- Rochester
- Rochester Hills
- Rock Hall
- Rock Hill
- Rock Island
- Rock Rapids
- Rock Springs
- Rock Tavern
- Rockaway
- Rockdale
- Rockford
- Rockingham
- Rockland
- Rockledge
- Rockleigh
- Rocklin
- Rockton
- Rockvale
- Rockville
- Rockville Centre
- Rockwall
- Rockwood
- Rocky Hill
- Rocky Mount
- Rocky Ridge
- Rocky River
- Rodanthe
- Rogers
- Rogersville
- Rohnert Park
- Rohrersville
- Rolla
- Rolling Hills Estates
- Rolling Meadows
- Rollingwood
- Rome
- Romeoville
- Romney
- Romulus
- Ronda
- Ronkonkoma
- Ronks
- Roosevelt
- Rootstown
- Rose Haven
- Roseburg
- Rosebush
- Rosedale
- Roseland
- Roselle
- Roselle Park
- Rosemead
- Rosemont
- Roseto
- Roseville
- Rosharon
- Roslyn
- Roslyn Heights
- Rossville
- Roswell
- Rothschild
- Rotterdam
- Round Hill
- Round Lake
- Round Lake Beach
- Round Rock
- Rouses Point
- Rowland
- Rowlett
- Rowley
- Rowville
- Roxboro
- Roxbury Township
- Royal Oak
- Royal Palm Beach
- Royersford
- Royse City
- Ruckersville
- Rudolph
- Rumson
- Runnemede
- Rural Retreat
- Rush
- Rushville
- Ruskin
- Russell
- Russell Springs
- Russellville
- Russett
- Rustburg
- Ruston
- Ruther Glen
- Rutherford
- Rutherfordton
- Ruthven
- Rutland
- Rutledge
- Rydal
- Rye
- Rye Brook