| SeaTac to Sabadell | 5,410.90 mi (8,708.01 km) |
| SeaTac to Sabinanigo | 5,282.71 mi (8,501.71 km) |
| SeaTac to Sagunto | 5,444.43 mi (8,761.96 km) |
| SeaTac to Salamanca | 5,201.78 mi (8,371.45 km) |
| SeaTac to Salobrena | 5,500.44 mi (8,852.10 km) |
| SeaTac to Salou | 5,408.41 mi (8,704.00 km) |
| SeaTac to Salt | 5,406.47 mi (8,700.88 km) |
| SeaTac to Salvatierra de Mino | 5,048.87 mi (8,125.37 km) |
| SeaTac to Sama | 5,075.59 mi (8,168.37 km) |
| SeaTac to San Adrian de Besos | 5,420.86 mi (8,724.03 km) |
| SeaTac to San Agustin de Guadalix | 5,283.55 mi (8,503.05 km) |
| SeaTac to San Andres de la Barca | 5,412.75 mi (8,710.98 km) |
| SeaTac to San Andres de Llevaneras | 5,420.51 mi (8,723.47 km) |
| SeaTac to San Andres del Rabanedo | 5,114.92 mi (8,231.67 km) |
| SeaTac to San Bartolome | 5,530.06 mi (8,899.77 km) |
