| Hackettstown to Cuenca | 3,703.38 mi (5,960.02 km) |
| Hackettstown to Cuevas del Almanzora | 3,804.25 mi (6,122.35 km) |
| Hackettstown to Cullera | 3,821.70 mi (6,150.43 km) |
| Hackettstown to Culleredo | 3,319.18 mi (5,341.70 km) |
| Hackettstown to Cunit | 3,845.77 mi (6,189.16 km) |
| Hackettstown to Daganzo de Arriba | 3,627.04 mi (5,837.15 km) |
| Hackettstown to Daimiel | 3,663.40 mi (5,895.68 km) |
| Hackettstown to Don Benito | 3,558.93 mi (5,727.55 km) |
| Hackettstown to Donostia | 3,615.77 mi (5,819.02 km) |
| Hackettstown to Dos Hermanas | 3,606.89 mi (5,804.72 km) |
| Hackettstown to Durango | 3,590.12 mi (5,777.74 km) |
| Hackettstown to Ecija | 3,640.21 mi (5,858.35 km) |
| Hackettstown to Ejea de los Caballeros | 3,688.99 mi (5,936.85 km) |
| Hackettstown to El Alamo | 3,610.76 mi (5,810.95 km) |
| Hackettstown to El Arahal | 3,625.68 mi (5,834.96 km) |
