| Duncan to Sabadell | 5,141.44 mi (8,274.34 km) |
| Duncan to Sabinanigo | 4,998.31 mi (8,044.01 km) |
| Duncan to Sagunto | 5,104.74 mi (8,215.28 km) |
| Duncan to Salamanca | 4,814.60 mi (7,748.35 km) |
| Duncan to Salobrena | 5,056.38 mi (8,137.46 km) |
| Duncan to Salou | 5,116.05 mi (8,233.49 km) |
| Duncan to Salt | 5,154.93 mi (8,296.05 km) |
| Duncan to Salvatierra de Mino | 4,648.82 mi (7,481.55 km) |
| Duncan to Sama | 4,737.40 mi (7,624.10 km) |
| Duncan to San Adrian de Besos | 5,150.66 mi (8,289.18 km) |
| Duncan to San Agustin de Guadalix | 4,917.79 mi (7,914.42 km) |
| Duncan to San Andres de la Barca | 5,139.49 mi (8,271.20 km) |
| Duncan to San Andres de Llevaneras | 5,156.82 mi (8,299.10 km) |
| Duncan to San Andres del Rabanedo | 4,763.27 mi (7,665.74 km) |
| Duncan to San Bartolome | 4,750.18 mi (7,644.67 km) |
