| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| रकलिन | city | California | United States | 38.79 | -121.24 | 275 | |
| रमोना | city | California | United States | 33.04 | -116.87 | 1669 | |
| रस | city | California | United States | 37.96 | -122.56 | 196 | |
| राइटवूड | city | California | United States | 34.36 | -117.63 | 6076 | |
| रिचमंड | city | California | United States | 37.94 | -122.35 | 59 | |
| रिजक्रेस्ट | city | California | United States | 35.62 | -117.67 | 2509 | |
| रिपों | city | California | United States | 37.74 | -121.12 | 65 | |
| रिभरब्याङ्क | city | California | United States | 37.74 | -120.94 | 98 | |
| रिभरसाइड | city | California | United States | 33.95 | -117.40 | 882 | |
| रियाल्तो | city | California | United States | 34.11 | -117.37 | 1246 | |
| रियो डेल | city | California | United States | 40.50 | -124.11 | 196 | |
| रियो भिस्टा | city | California | United States | 38.16 | -121.69 | 3 | |
| रियो लिन्डा | city | California | United States | 38.69 | -121.45 | 39 | |
| रीडली | city | California | United States | 36.60 | -119.45 | 298 | |
| रुबिडू | city | California | United States | 34.00 | -117.41 | 830 | |
| रेड ब्लफ | city | California | United States | 40.18 | -122.24 | 314 | |
| रेडल्यान्ड्स | city | California | United States | 34.06 | -117.18 | 1669 | |
| रेडवूड सिटी | city | California | United States | 37.49 | -122.24 | 68 | |
| रेडिंग | city | California | United States | 40.59 | -122.39 | 830 | |
| रेडोन्डो बीच | city | California | United States | 33.85 | -118.39 | 52 | |
| रोजभिल | city | California | United States | 38.75 | -121.29 | 144 | |
| रोजमीड | city | California | United States | 34.08 | -118.07 | 298 | |
| रोजामंड | city | California | United States | 34.86 | -118.16 | 2509 | |
| रोडियो | city | California | United States | 38.03 | -122.27 | 19 | |
| रोनर्ट पार्क | city | California | United States | 38.34 | -122.70 | 104 | |
| रोल्यान्ड हाइट्स | city | California | United States | 33.98 | -117.91 | 830 | |
| र्र्यान्चो कुकामोंगा | city | California | United States | 34.11 | -117.59 | 1174 | |
| र्र्यान्चो कोर्दोभा | city | California | United States | 38.59 | -121.30 | 88 | |
| र्र्यान्चो पालोस भर्डेज | city | California | United States | 33.74 | -118.39 | 0 | |
| र्र्यान्चो मिराज | city | California | United States | 33.74 | -116.41 | 344 | |
| र्र्यान्चो स्यान्टा फे | city | California | United States | 33.02 | -117.20 | 183 | |
| र्र्यान्चो स्यान्टा मार्गारिता | city | California | United States | 33.64 | -117.60 | 990 |