| Harrisburg to Popovo | 4,937.88 mi (7,946.75 km) |
| Harrisburg to Provadia | 4,992.18 mi (8,034.14 km) |
| Harrisburg to Radnevo | 4,971.10 mi (8,000.21 km) |
| Harrisburg to Radomir | 4,840.16 mi (7,789.48 km) |
| Harrisburg to Rakitovo | 4,909.98 mi (7,901.85 km) |
| Harrisburg to Rakovski | 4,932.76 mi (7,938.51 km) |
| Harrisburg to Razgrad | 4,941.14 mi (7,952.00 km) |
| Harrisburg to Razlog | 4,889.04 mi (7,868.15 km) |
| Harrisburg to Ruse | 4,906.66 mi (7,896.51 km) |
| Harrisburg to Samokov | 4,873.65 mi (7,843.39 km) |
| Harrisburg to Sandanski | 4,894.69 mi (7,877.25 km) |
| Harrisburg to Sevlievo | 4,907.35 mi (7,897.62 km) |
| Harrisburg to Shumen | 4,968.26 mi (7,995.64 km) |
| Harrisburg to Silistra | 4,944.92 mi (7,958.08 km) |
| Harrisburg to Sliven | 4,970.52 mi (7,999.28 km) |
