| King of Prussia to Popovo | 4,886.51 mi (7,864.09 km) |
| King of Prussia to Provadia | 4,941.28 mi (7,952.22 km) |
| King of Prussia to Radnevo | 4,918.65 mi (7,915.79 km) |
| King of Prussia to Radomir | 4,786.44 mi (7,703.04 km) |
| King of Prussia to Rakitovo | 4,856.32 mi (7,815.49 km) |
| King of Prussia to Rakovski | 4,879.81 mi (7,853.29 km) |
| King of Prussia to Razgrad | 4,890.08 mi (7,869.83 km) |
| King of Prussia to Razlog | 4,834.99 mi (7,781.16 km) |
| King of Prussia to Ruse | 4,855.58 mi (7,814.30 km) |
| King of Prussia to Samokov | 4,820.04 mi (7,757.11 km) |
| King of Prussia to Sandanski | 4,840.27 mi (7,789.67 km) |
| King of Prussia to Sevlievo | 4,855.13 mi (7,813.58 km) |
| King of Prussia to Shumen | 4,917.19 mi (7,913.45 km) |
| King of Prussia to Silistra | 4,894.77 mi (7,877.37 km) |
| King of Prussia to Sliven | 4,918.61 mi (7,915.74 km) |
