| Healdsburg to Nyon | 5,774.08 mi (9,292.48 km) |
| Healdsburg to Oberriet | 5,815.99 mi (9,359.94 km) |
| Healdsburg to Obersiggenthal | 5,771.54 mi (9,288.39 km) |
| Healdsburg to Oberwil | 5,749.56 mi (9,253.02 km) |
| Healdsburg to Oberwingert | 5,782.98 mi (9,306.81 km) |
| Healdsburg to Oftringen | 5,770.58 mi (9,286.84 km) |
| Healdsburg to Olten | 5,768.26 mi (9,283.12 km) |
| Healdsburg to Onex | 5,781.13 mi (9,303.84 km) |
| Healdsburg to Opfikon | 5,782.10 mi (9,305.39 km) |
| Healdsburg to Ostermundigen | 5,778.63 mi (9,299.80 km) |
| Healdsburg to Payerne | 5,770.46 mi (9,286.66 km) |
| Healdsburg to Pfaffikon | 5,791.78 mi (9,320.97 km) |
| Healdsburg to Plan-les-Ouates | 5,782.53 mi (9,306.08 km) |
| Healdsburg to Pratteln | 5,753.44 mi (9,259.27 km) |
| Healdsburg to Prilly | 5,776.48 mi (9,296.34 km) |
