| Gretna to Cuenca | 4,822.89 mi (7,761.70 km) |
| Gretna to Cuevas del Almanzora | 4,912.14 mi (7,905.32 km) |
| Gretna to Cullera | 4,940.36 mi (7,950.74 km) |
| Gretna to Culleredo | 4,443.84 mi (7,151.67 km) |
| Gretna to Cunit | 4,973.77 mi (8,004.52 km) |
| Gretna to Daganzo de Arriba | 4,746.68 mi (7,639.04 km) |
| Gretna to Daimiel | 4,776.59 mi (7,687.18 km) |
| Gretna to Don Benito | 4,667.86 mi (7,512.19 km) |
| Gretna to Donostia | 4,746.39 mi (7,638.58 km) |
| Gretna to Dos Hermanas | 4,706.91 mi (7,575.04 km) |
| Gretna to Durango | 4,719.75 mi (7,595.71 km) |
| Gretna to Ecija | 4,743.22 mi (7,633.48 km) |
| Gretna to Ejea de los Caballeros | 4,816.92 mi (7,752.08 km) |
| Gretna to El Alamo | 4,728.39 mi (7,609.61 km) |
| Gretna to El Arahal | 4,726.35 mi (7,606.32 km) |
