| Perry Hall to Popovo | 4,961.69 mi (7,985.07 km) |
| Perry Hall to Provadia | 5,016.43 mi (8,073.16 km) |
| Perry Hall to Radnevo | 4,993.86 mi (8,036.83 km) |
| Perry Hall to Radomir | 4,861.67 mi (7,824.09 km) |
| Perry Hall to Rakitovo | 4,931.54 mi (7,936.55 km) |
| Perry Hall to Rakovski | 4,955.02 mi (7,974.34 km) |
| Perry Hall to Razgrad | 4,965.24 mi (7,990.78 km) |
| Perry Hall to Razlog | 4,910.21 mi (7,902.22 km) |
| Perry Hall to Ruse | 4,930.74 mi (7,935.26 km) |
| Perry Hall to Samokov | 4,895.27 mi (7,878.17 km) |
| Perry Hall to Sandanski | 4,915.49 mi (7,910.71 km) |
| Perry Hall to Sevlievo | 4,930.33 mi (7,934.61 km) |
| Perry Hall to Shumen | 4,992.35 mi (8,034.41 km) |
| Perry Hall to Silistra | 4,969.88 mi (7,998.25 km) |
| Perry Hall to Sliven | 4,993.80 mi (8,036.75 km) |
