| Barberton to Popovo | 5,085.19 mi (8,183.83 km) |
| Barberton to Provadia | 5,137.84 mi (8,268.56 km) |
| Barberton to Radnevo | 5,121.93 mi (8,242.95 km) |
| Barberton to Radomir | 4,995.41 mi (8,039.34 km) |
| Barberton to Rakitovo | 5,064.93 mi (8,151.21 km) |
| Barberton to Rakovski | 5,085.31 mi (8,184.02 km) |
| Barberton to Razgrad | 5,087.43 mi (8,187.42 km) |
| Barberton to Razlog | 5,045.32 mi (8,119.66 km) |
| Barberton to Ruse | 5,053.09 mi (8,132.17 km) |
| Barberton to Samokov | 5,028.49 mi (8,092.58 km) |
| Barberton to Sandanski | 5,052.18 mi (8,130.70 km) |
| Barberton to Sevlievo | 5,057.55 mi (8,139.34 km) |
| Barberton to Shumen | 5,114.53 mi (8,231.04 km) |
| Barberton to Silistra | 5,088.21 mi (8,188.68 km) |
| Barberton to Sliven | 5,119.56 mi (8,239.14 km) |
