| Scranton to Popovo | 4,838.52 mi (7,786.85 km) |
| Scranton to Provadia | 4,892.69 mi (7,874.03 km) |
| Scranton to Radnevo | 4,872.05 mi (7,840.81 km) |
| Scranton to Radomir | 4,741.53 mi (7,630.75 km) |
| Scranton to Rakitovo | 4,811.33 mi (7,743.08 km) |
| Scranton to Rakovski | 4,833.87 mi (7,779.36 km) |
| Scranton to Razgrad | 4,841.70 mi (7,791.96 km) |
| Scranton to Razlog | 4,790.53 mi (7,709.61 km) |
| Scranton to Ruse | 4,807.23 mi (7,736.48 km) |
| Scranton to Samokov | 4,774.98 mi (7,684.59 km) |
| Scranton to Sandanski | 4,796.31 mi (7,718.92 km) |
| Scranton to Sevlievo | 4,808.24 mi (7,738.11 km) |
| Scranton to Shumen | 4,868.82 mi (7,835.61 km) |
| Scranton to Silistra | 4,845.26 mi (7,797.69 km) |
| Scranton to Sliven | 4,871.31 mi (7,839.62 km) |
