| Healdsburg to Romeoville (Illinois) | 1,835.86 mi (2,954.54 km) |
| Healdsburg to Romulus (Michigan) | 2,073.77 mi (3,337.41 km) |
| Healdsburg to Ronkonkoma (New York) | 2,612.27 mi (4,204.03 km) |
| Healdsburg to Roosevelt (New York) | 2,590.88 mi (4,169.61 km) |
| Healdsburg to Rosamond (California) | 365.46 mi (588.15 km) |
| Healdsburg to Rosaryville (Maryland) | 2,455.64 mi (3,951.97 km) |
| Healdsburg to Roscoe (Illinois) | 1,785.43 mi (2,873.37 km) |
| Healdsburg to Rose Hill (Virginia) | 2,440.60 mi (3,927.76 km) |
| Healdsburg to Roseburg (Oregon) | 318.89 mi (513.20 km) |
| Healdsburg to Rosedale (California) | 301.09 mi (484.56 km) |
| Healdsburg to Rosedale (Maryland) | 2,462.61 mi (3,963.19 km) |
| Healdsburg to Roselle (Illinois) | 1,834.54 mi (2,952.41 km) |
| Healdsburg to Roselle (New Jersey) | 2,556.82 mi (4,114.80 km) |
| Healdsburg to Roselle Park (New Jersey) | 2,556.28 mi (4,113.93 km) |
| Healdsburg to Rosemead (California) | 411.97 mi (663.00 km) |
