| Healdsburg to Red Bank (New Jersey) | 2,571.54 mi (4,138.49 km) |
| Healdsburg to Red Bank (Tennessee) | 2,076.28 mi (3,341.45 km) |
| Healdsburg to Red Bluff (California) | 112.23 mi (180.61 km) |
| Healdsburg to Red Hill (South Carolina) | 2,444.62 mi (3,934.24 km) |
| Healdsburg to Red Oak (Texas) | 1,519.16 mi (2,444.85 km) |
| Healdsburg to Red Wing (Minnesota) | 1,606.64 mi (2,585.64 km) |
| Healdsburg to Redan (Georgia) | 2,168.29 mi (3,489.53 km) |
| Healdsburg to Redding (California) | 137.16 mi (220.74 km) |
| Healdsburg to Redland (Maryland) | 2,432.71 mi (3,915.07 km) |
| Healdsburg to Redlands (California) | 447.23 mi (719.75 km) |
| Healdsburg to Redmond (Oregon) | 399.22 mi (642.49 km) |
| Healdsburg to Redmond (Washington) | 626.69 mi (1,008.56 km) |
| Healdsburg to Redondo Beach (California) | 413.33 mi (665.19 km) |
| Healdsburg to Redwood City (California) | 84.84 mi (136.54 km) |
| Healdsburg to Reedley (California) | 233.53 mi (375.82 km) |
