| Sedro-Woolley to Popovo | 5,807.46 mi (9,346.20 km) |
| Sedro-Woolley to Provadia | 5,838.94 mi (9,396.87 km) |
| Sedro-Woolley to Radnevo | 5,870.12 mi (9,447.04 km) |
| Sedro-Woolley to Radomir | 5,798.41 mi (9,331.63 km) |
| Sedro-Woolley to Rakitovo | 5,856.42 mi (9,425.00 km) |
| Sedro-Woolley to Rakovski | 5,853.28 mi (9,419.94 km) |
| Sedro-Woolley to Razgrad | 5,800.51 mi (9,335.03 km) |
| Sedro-Woolley to Razlog | 5,851.04 mi (9,416.34 km) |
| Sedro-Woolley to Ruse | 5,771.94 mi (9,289.05 km) |
| Sedro-Woolley to Samokov | 5,823.68 mi (9,372.30 km) |
| Sedro-Woolley to Sandanski | 5,867.65 mi (9,443.07 km) |
| Sedro-Woolley to Sevlievo | 5,808.46 mi (9,347.81 km) |
| Sedro-Woolley to Shumen | 5,823.92 mi (9,372.69 km) |
| Sedro-Woolley to Silistra | 5,775.29 mi (9,294.43 km) |
| Sedro-Woolley to Sliven | 5,852.41 mi (9,418.54 km) |
