| Erlanger to Popovo | 5,294.49 mi (8,520.65 km) |
| Erlanger to Provadia | 5,347.02 mi (8,605.20 km) |
| Erlanger to Radnevo | 5,331.41 mi (8,580.08 km) |
| Erlanger to Radomir | 5,205.05 mi (8,376.73 km) |
| Erlanger to Rakitovo | 5,274.56 mi (8,488.59 km) |
| Erlanger to Rakovski | 5,294.87 mi (8,521.27 km) |
| Erlanger to Razgrad | 5,296.65 mi (8,524.14 km) |
| Erlanger to Razlog | 5,254.99 mi (8,457.09 km) |
| Erlanger to Ruse | 5,262.33 mi (8,468.90 km) |
| Erlanger to Samokov | 5,238.12 mi (8,429.95 km) |
| Erlanger to Sandanski | 5,261.87 mi (8,468.16 km) |
| Erlanger to Sevlievo | 5,267.00 mi (8,476.42 km) |
| Erlanger to Shumen | 5,323.75 mi (8,567.75 km) |
| Erlanger to Silistra | 5,297.21 mi (8,525.04 km) |
| Erlanger to Sliven | 5,328.95 mi (8,576.12 km) |
