| Duluth to San Lorenzo de Descardazar | 4,525.65 mi (7,283.32 km) |
| Duluth to San Lorenzo de El Escorial | 4,180.60 mi (6,728.03 km) |
| Duluth to San Martin de la Vega | 4,220.62 mi (6,792.42 km) |
| Duluth to San Martin de Valdeiglesias | 4,179.73 mi (6,726.63 km) |
| Duluth to San Pedro de Ribas | 4,390.90 mi (7,066.47 km) |
| Duluth to San Roque | 4,318.37 mi (6,949.74 km) |
| Duluth to San Sebastian de la Gomera | 4,149.25 mi (6,677.57 km) |
| Duluth to San Sebastian de los Reyes | 4,203.90 mi (6,765.53 km) |
| Duluth to San Vicente de Baracaldo | 4,112.93 mi (6,619.12 km) |
| Duluth to San Vicente de Castellet | 4,376.39 mi (7,043.11 km) |
| Duluth to San Vicente del Raspeig | 4,425.97 mi (7,122.92 km) |
| Duluth to San Vicente dels Horts | 4,394.29 mi (7,071.92 km) |
| Duluth to Sangenjo | 3,912.57 mi (6,296.68 km) |
| Duluth to Sanlucar de Barrameda | 4,252.48 mi (6,843.71 km) |
| Duluth to Sanlucar la Mayor | 4,232.16 mi (6,811.00 km) |
