Rackerby
Ragged Point
Rail Road Flat
Raisin City
Ramona
Ranchita
Rancho Cordova
Rancho Cucamonga
Rancho Mirage
Rancho Mission Viejo
Rancho Murieta
Rancho Palos Verdes
Rancho Santa Fe
Rancho Santa Margarita
Randsburg
Ravendale
Raymond
Red Bluff
Red Mountain
Redcrest
Redding
Redlands
Redondo Beach

Redway
Redwood City
Redwood Valley
Reedley
Rescue
Reseda
Rialto
Richgrove
Richmond
Richvale
Ridgecrest
Rimforest
Rio Dell
Rio Linda
Rio Nido
Rio Oso
Rio Vista
Ripley
Ripon
River Pines
Riverbank
Riverdale
Riverside

Robbins
Rocklin
Rodeo
Rohnert Park
Rolling Hills
Rolling Hills Estates
Romoland
Rosamond
Rosemead
Roseville
Ross
Rossmoor
Rough and Ready
Round Mountain
Rowland Heights
Rumsey
Running Springs
Ruth
Rutherford
Ryde