| Federal Way to Popovo | 5,886.07 mi (9,472.71 km) |
| Federal Way to Provadia | 5,917.91 mi (9,523.96 km) |
| Federal Way to Radnevo | 5,948.45 mi (9,573.10 km) |
| Federal Way to Radomir | 5,875.73 mi (9,456.07 km) |
| Federal Way to Rakitovo | 5,934.04 mi (9,549.92 km) |
| Federal Way to Rakovski | 5,931.27 mi (9,545.46 km) |
| Federal Way to Razgrad | 5,879.25 mi (9,461.73 km) |
| Federal Way to Razlog | 5,928.42 mi (9,540.87 km) |
| Federal Way to Ruse | 5,850.54 mi (9,415.54 km) |
| Federal Way to Samokov | 5,901.18 mi (9,497.03 km) |
| Federal Way to Sandanski | 5,944.90 mi (9,567.39 km) |
| Federal Way to Sevlievo | 5,886.64 mi (9,473.62 km) |
| Federal Way to Shumen | 5,902.74 mi (9,499.55 km) |
| Federal Way to Silistra | 5,854.34 mi (9,421.66 km) |
| Federal Way to Sliven | 5,930.94 mi (9,544.92 km) |
