| Healdsburg to Ridgeland (Mississippi) | 1,878.38 mi (3,022.96 km) |
| Healdsburg to Ridgewood (New Jersey) | 2,559.21 mi (4,118.64 km) |
| Healdsburg to Rifle (Colorado) | 810.98 mi (1,305.14 km) |
| Healdsburg to Rincon (Georgia) | 2,362.71 mi (3,802.42 km) |
| Healdsburg to Ringwood (New Jersey) | 2,549.07 mi (4,102.34 km) |
| Healdsburg to Río Grande (Puerto Rico) | 3,669.31 mi (5,905.18 km) |
| Healdsburg to Rio Grande City (Texas) | 1,628.90 mi (2,621.46 km) |
| Healdsburg to Rio Linda (California) | 76.93 mi (123.81 km) |
| Healdsburg to Rio Rancho (New Mexico) | 920.52 mi (1,481.43 km) |
| Healdsburg to Rio Rico (Arizona) | 831.67 mi (1,338.44 km) |
| Healdsburg to Ripon (California) | 112.12 mi (180.45 km) |
| Healdsburg to River Edge (New Jersey) | 2,563.82 mi (4,126.07 km) |
| Healdsburg to River Falls (Wisconsin) | 1,607.14 mi (2,586.45 km) |
| Healdsburg to River Forest (Illinois) | 1,848.68 mi (2,975.17 km) |
| Healdsburg to River Grove (Illinois) | 1,847.57 mi (2,973.37 km) |
