| Herndon to Cuenca | 3,882.36 mi (6,248.06 km) |
| Herndon to Cuevas del Almanzora | 3,980.11 mi (6,405.37 km) |
| Herndon to Cullera | 4,000.49 mi (6,438.16 km) |
| Herndon to Culleredo | 3,499.54 mi (5,631.96 km) |
| Herndon to Cunit | 4,027.31 mi (6,481.33 km) |
| Herndon to Daganzo de Arriba | 3,806.02 mi (6,125.20 km) |
| Herndon to Daimiel | 3,840.60 mi (6,180.85 km) |
| Herndon to Don Benito | 3,734.92 mi (6,010.78 km) |
| Herndon to Donostia | 3,798.11 mi (6,112.46 km) |
| Herndon to Dos Hermanas | 3,780.57 mi (6,084.24 km) |
| Herndon to Durango | 3,772.12 mi (6,070.65 km) |
| Herndon to Ecija | 3,814.69 mi (6,139.15 km) |
| Herndon to Ejea de los Caballeros | 3,870.47 mi (6,228.92 km) |
| Herndon to El Alamo | 3,789.16 mi (6,098.07 km) |
| Herndon to El Arahal | 3,799.54 mi (6,114.77 km) |
