| Healdsburg to Ondokuzmayis | 6,744.75 mi (10,854.62 km) |
| Healdsburg to Ordu | 6,804.21 mi (10,950.32 km) |
| Healdsburg to Ortahisar | 6,915.90 mi (11,130.06 km) |
| Healdsburg to Ortakent | 6,870.32 mi (11,056.72 km) |
| Healdsburg to Ortaklar | 6,825.23 mi (10,984.15 km) |
| Healdsburg to Ortakoy | 6,894.61 mi (11,095.80 km) |
| Healdsburg to Ortakoy | 6,812.63 mi (10,963.88 km) |
| Healdsburg to Osmaneli | 6,717.84 mi (10,811.32 km) |
| Healdsburg to Osmaniye | 7,040.14 mi (11,330.01 km) |
| Healdsburg to Ozdere | 6,808.75 mi (10,957.62 km) |
| Healdsburg to Palu | 6,983.96 mi (11,239.60 km) |
| Healdsburg to Pamukkale | 6,856.71 mi (11,034.82 km) |
| Healdsburg to Patnos | 6,981.90 mi (11,236.28 km) |
| Healdsburg to Pazar | 6,829.89 mi (10,991.64 km) |
| Healdsburg to Pazarcik | 7,028.85 mi (11,311.83 km) |
