| Sonoma to Ridgefield Park (New Jersey) | 2,552.90 mi (4,108.49 km) |
| Sonoma to Ridgeland (Mississippi) | 1,855.33 mi (2,985.86 km) |
| Sonoma to Ridgewood (New Jersey) | 2,546.31 mi (4,097.88 km) |
| Sonoma to Rifle (Colorado) | 793.37 mi (1,276.81 km) |
| Sonoma to Rincon (Georgia) | 2,341.80 mi (3,768.76 km) |
| Sonoma to Ringwood (New Jersey) | 2,536.25 mi (4,081.71 km) |
| Sonoma to Río Grande (Puerto Rico) | 3,645.29 mi (5,866.53 km) |
| Sonoma to Rio Grande City (Texas) | 1,599.52 mi (2,574.18 km) |
| Sonoma to Rio Linda (California) | 61.52 mi (99.01 km) |
| Sonoma to Rio Rancho (New Mexico) | 895.26 mi (1,440.78 km) |
| Sonoma to Rio Rico (Arizona) | 800.83 mi (1,288.82 km) |
| Sonoma to Ripon (California) | 81.66 mi (131.42 km) |
| Sonoma to River Edge (New Jersey) | 2,550.88 mi (4,105.25 km) |
| Sonoma to River Falls (Wisconsin) | 1,597.34 mi (2,570.67 km) |
| Sonoma to River Forest (Illinois) | 1,835.21 mi (2,953.49 km) |
