| Mountlake Terrace to Santa Ursula | 5,455.35 mi (8,779.53 km) |
| Mountlake Terrace to Santander | 5,107.99 mi (8,220.52 km) |
| Mountlake Terrace to Santany | 5,548.14 mi (8,928.86 km) |
| Mountlake Terrace to Santiago de Compostela | 4,988.83 mi (8,028.75 km) |
| Mountlake Terrace to Santiago del Teide | 5,449.14 mi (8,769.55 km) |
| Mountlake Terrace to Santiponce | 5,363.84 mi (8,632.27 km) |
| Mountlake Terrace to Santomera | 5,493.14 mi (8,840.36 km) |
| Mountlake Terrace to Santona | 5,119.85 mi (8,239.60 km) |
| Mountlake Terrace to Santurce-Antiguo | 5,138.98 mi (8,270.40 km) |
| Mountlake Terrace to Sarria | 5,030.51 mi (8,095.83 km) |
| Mountlake Terrace to Sauzal | 5,454.75 mi (8,778.57 km) |
| Mountlake Terrace to Sedavi | 5,437.34 mi (8,750.55 km) |
| Mountlake Terrace to Segorbe | 5,410.23 mi (8,706.93 km) |
| Mountlake Terrace to Segovia | 5,235.50 mi (8,425.73 km) |
| Mountlake Terrace to Senmanat | 5,389.92 mi (8,674.24 km) |
