| Tukwila to Popovo | 5,874.35 mi (9,453.85 km) |
| Tukwila to Provadia | 5,906.17 mi (9,505.06 km) |
| Tukwila to Radnevo | 5,936.74 mi (9,554.26 km) |
| Tukwila to Radomir | 5,864.09 mi (9,437.35 km) |
| Tukwila to Rakitovo | 5,922.38 mi (9,531.16 km) |
| Tukwila to Rakovski | 5,919.59 mi (9,526.66 km) |
| Tukwila to Razgrad | 5,867.52 mi (9,442.86 km) |
| Tukwila to Razlog | 5,916.78 mi (9,522.14 km) |
| Tukwila to Ruse | 5,838.82 mi (9,396.68 km) |
| Tukwila to Samokov | 5,889.53 mi (9,478.28 km) |
| Tukwila to Sandanski | 5,933.27 mi (9,548.67 km) |
| Tukwila to Sevlievo | 5,874.94 mi (9,454.80 km) |
| Tukwila to Shumen | 5,891.01 mi (9,480.66 km) |
| Tukwila to Silistra | 5,842.60 mi (9,402.75 km) |
| Tukwila to Sliven | 5,919.22 mi (9,526.06 km) |
