| Mount Washington to Popovo | 5,378.96 mi (8,656.60 km) |
| Mount Washington to Provadia | 5,431.57 mi (8,741.26 km) |
| Mount Washington to Radnevo | 5,415.73 mi (8,715.78 km) |
| Mount Washington to Radomir | 5,289.12 mi (8,512.02 km) |
| Mount Washington to Rakitovo | 5,358.66 mi (8,623.92 km) |
| Mount Washington to Rakovski | 5,379.10 mi (8,656.83 km) |
| Mount Washington to Razgrad | 5,381.17 mi (8,660.16 km) |
| Mount Washington to Razlog | 5,339.00 mi (8,592.29 km) |
| Mount Washington to Ruse | 5,346.84 mi (8,604.91 km) |
| Mount Washington to Samokov | 5,322.22 mi (8,565.29 km) |
| Mount Washington to Sandanski | 5,345.80 mi (8,603.24 km) |
| Mount Washington to Sevlievo | 5,351.35 mi (8,612.17 km) |
| Mount Washington to Shumen | 5,408.27 mi (8,703.77 km) |
| Mount Washington to Silistra | 5,381.84 mi (8,661.24 km) |
| Mount Washington to Sliven | 5,413.36 mi (8,711.96 km) |
