| Healdsburg to Cuenca | 5,836.25 mi (9,392.54 km) |
| Healdsburg to Cuevas del Almanzora | 5,987.96 mi (9,636.70 km) |
| Healdsburg to Cullera | 5,950.13 mi (9,575.80 km) |
| Healdsburg to Culleredo | 5,452.08 mi (8,774.28 km) |
| Healdsburg to Cunit | 5,908.68 mi (9,509.10 km) |
| Healdsburg to Daganzo de Arriba | 5,765.27 mi (9,278.31 km) |
| Healdsburg to Daimiel | 5,832.97 mi (9,387.26 km) |
| Healdsburg to Don Benito | 5,755.87 mi (9,263.18 km) |
| Healdsburg to Donostia | 5,676.48 mi (9,135.41 km) |
| Healdsburg to Dos Hermanas | 5,835.98 mi (9,392.11 km) |
| Healdsburg to Durango | 5,661.92 mi (9,111.98 km) |
| Healdsburg to Ecija | 5,855.70 mi (9,423.84 km) |
| Healdsburg to Ejea de los Caballeros | 5,766.13 mi (9,279.69 km) |
| Healdsburg to El Alamo | 5,761.55 mi (9,272.32 km) |
| Healdsburg to El Arahal | 5,851.11 mi (9,416.46 km) |
