| Mukilteo to Sesimbra | 5,199.52 mi (8,367.83 km) |
| Mukilteo to Setubal | 5,202.36 mi (8,372.38 km) |
| Mukilteo to Sever do Vouga | 5,102.50 mi (8,211.69 km) |
| Mukilteo to Silves | 5,289.55 mi (8,512.71 km) |
| Mukilteo to Sines | 5,233.72 mi (8,422.86 km) |
| Mukilteo to Sintra | 5,170.67 mi (8,321.39 km) |
| Mukilteo to Sobrado de Paiva | 5,089.87 mi (8,191.36 km) |
| Mukilteo to Sobral de Monte Agraco | 5,167.16 mi (8,315.75 km) |
| Mukilteo to Soure | 5,129.92 mi (8,255.80 km) |
| Mukilteo to Tabua | 5,133.66 mi (8,261.83 km) |
| Mukilteo to Tavira | 5,320.60 mi (8,562.68 km) |
| Mukilteo to Tomar | 5,161.21 mi (8,306.17 km) |
| Mukilteo to Tondela | 5,123.51 mi (8,245.49 km) |
| Mukilteo to Torre de Moncorvo | 5,118.40 mi (8,237.27 km) |
| Mukilteo to Torres Novas | 5,164.37 mi (8,311.25 km) |
