| Hazleton to Popovo | 4,871.15 mi (7,839.37 km) |
| Hazleton to Provadia | 4,925.43 mi (7,926.71 km) |
| Hazleton to Radnevo | 4,904.44 mi (7,892.94 km) |
| Hazleton to Radomir | 4,773.61 mi (7,682.39 km) |
| Hazleton to Rakitovo | 4,843.43 mi (7,794.75 km) |
| Hazleton to Rakovski | 4,866.14 mi (7,831.30 km) |
| Hazleton to Razgrad | 4,874.40 mi (7,844.58 km) |
| Hazleton to Razlog | 4,822.53 mi (7,761.12 km) |
| Hazleton to Ruse | 4,839.92 mi (7,789.10 km) |
| Hazleton to Samokov | 4,807.10 mi (7,736.28 km) |
| Hazleton to Sandanski | 4,828.23 mi (7,770.28 km) |
| Hazleton to Sevlievo | 4,840.68 mi (7,790.32 km) |
| Hazleton to Shumen | 4,901.52 mi (7,888.23 km) |
| Hazleton to Silistra | 4,878.14 mi (7,850.61 km) |
| Hazleton to Sliven | 4,903.82 mi (7,891.94 km) |
