| Sedro-Woolley to Sangeorgiu de Mures | 5,570.10 mi (8,964.22 km) |
| Sedro-Woolley to Sangeorz-Bai | 5,521.13 mi (8,885.39 km) |
| Sedro-Woolley to Sannicolau Mare | 5,529.78 mi (8,899.32 km) |
| Sedro-Woolley to Santana | 5,528.73 mi (8,897.62 km) |
| Sedro-Woolley to Satu Mare | 5,462.83 mi (8,791.57 km) |
| Sedro-Woolley to Scobinti | 5,557.79 mi (8,944.39 km) |
| Sedro-Woolley to Scornicesti | 5,698.83 mi (9,171.37 km) |
| Sedro-Woolley to Sebes | 5,591.96 mi (8,999.38 km) |
| Sedro-Woolley to Seini | 5,472.56 mi (8,807.24 km) |
| Sedro-Woolley to Sfantu-Gheorghe | 5,637.16 mi (9,072.13 km) |
| Sedro-Woolley to Sibiu | 5,613.14 mi (9,033.48 km) |
| Sedro-Woolley to Sighetu Marmatiei | 5,471.67 mi (8,805.81 km) |
| Sedro-Woolley to Sighisoara | 5,597.19 mi (9,007.80 km) |
| Sedro-Woolley to Simeria | 5,588.76 mi (8,994.24 km) |
| Sedro-Woolley to Sinaia | 5,666.27 mi (9,118.98 km) |
