| Bethel Park to Popovo | 5,058.22 mi (8,140.42 km) |
| Bethel Park to Provadia | 5,111.62 mi (8,226.35 km) |
| Bethel Park to Radnevo | 5,093.41 mi (8,197.05 km) |
| Bethel Park to Radomir | 4,964.87 mi (7,990.19 km) |
| Bethel Park to Rakitovo | 5,034.55 mi (8,102.33 km) |
| Bethel Park to Rakovski | 5,056.01 mi (8,136.87 km) |
| Bethel Park to Razgrad | 5,060.91 mi (8,144.74 km) |
| Bethel Park to Razlog | 5,014.34 mi (8,069.80 km) |
| Bethel Park to Ruse | 5,026.49 mi (8,089.36 km) |
| Bethel Park to Samokov | 4,998.15 mi (8,043.75 km) |
| Bethel Park to Sandanski | 5,020.66 mi (8,079.97 km) |
| Bethel Park to Sevlievo | 5,029.29 mi (8,093.86 km) |
| Bethel Park to Shumen | 5,088.03 mi (8,188.39 km) |
| Bethel Park to Silistra | 5,063.01 mi (8,148.12 km) |
| Bethel Park to Sliven | 5,091.84 mi (8,194.52 km) |
