| Gretna to San Lorenzo de Descardazar | 5,098.90 mi (8,205.89 km) |
| Gretna to San Lorenzo de El Escorial | 4,711.94 mi (7,583.13 km) |
| Gretna to San Martin de la Vega | 4,749.62 mi (7,643.78 km) |
| Gretna to San Martin de Valdeiglesias | 4,705.08 mi (7,572.09 km) |
| Gretna to San Pedro de Ribas | 4,978.57 mi (8,012.24 km) |
| Gretna to San Roque | 4,762.33 mi (7,664.24 km) |
| Gretna to San Sebastian de la Gomera | 4,330.03 mi (6,968.50 km) |
| Gretna to San Sebastian de los Reyes | 4,738.36 mi (7,625.66 km) |
| Gretna to San Vicente de Baracaldo | 4,699.57 mi (7,563.23 km) |
| Gretna to San Vicente de Castellet | 4,971.29 mi (8,000.51 km) |
| Gretna to San Vicente del Raspeig | 4,948.44 mi (7,963.75 km) |
| Gretna to San Vicente dels Horts | 4,985.92 mi (8,024.06 km) |
| Gretna to Sangenjo | 4,442.63 mi (7,149.73 km) |
| Gretna to Sanlucar de Barrameda | 4,698.18 mi (7,560.99 km) |
| Gretna to Sanlucar la Mayor | 4,690.19 mi (7,548.13 km) |
