| Duncan to San Lorenzo de Descardazar | 5,266.48 mi (8,475.59 km) |
| Duncan to San Lorenzo de El Escorial | 4,896.63 mi (7,880.37 km) |
| Duncan to San Martin de la Vega | 4,935.87 mi (7,943.52 km) |
| Duncan to San Martin de Valdeiglesias | 4,892.64 mi (7,873.94 km) |
| Duncan to San Pedro de Ribas | 5,137.58 mi (8,268.14 km) |
| Duncan to San Roque | 4,989.24 mi (8,029.41 km) |
| Duncan to San Sebastian de la Gomera | 4,662.31 mi (7,503.26 km) |
| Duncan to San Sebastian de los Reyes | 4,921.80 mi (7,920.88 km) |
| Duncan to San Vicente de Baracaldo | 4,856.34 mi (7,815.52 km) |
| Duncan to San Vicente de Castellet | 5,126.48 mi (8,250.27 km) |
| Duncan to San Vicente del Raspeig | 5,139.99 mi (8,272.02 km) |
| Duncan to San Vicente dels Horts | 5,142.95 mi (8,276.78 km) |
| Duncan to Sangenjo | 4,624.94 mi (7,443.12 km) |
| Duncan to Sanlucar de Barrameda | 4,923.56 mi (7,923.70 km) |
| Duncan to Sanlucar la Mayor | 4,909.75 mi (7,901.48 km) |
