| Imperial to Popovo | 6,646.46 mi (10,696.44 km) |
| Imperial to Provadia | 6,687.47 mi (10,762.45 km) |
| Imperial to Radnevo | 6,700.24 mi (10,783.00 km) |
| Imperial to Radomir | 6,603.10 mi (10,626.67 km) |
| Imperial to Rakitovo | 6,667.78 mi (10,730.75 km) |
| Imperial to Rakovski | 6,674.59 mi (10,741.72 km) |
| Imperial to Razgrad | 6,643.05 mi (10,690.96 km) |
| Imperial to Razlog | 6,656.09 mi (10,711.94 km) |
| Imperial to Ruse | 6,611.29 mi (10,639.84 km) |
| Imperial to Samokov | 6,632.49 mi (10,673.96 km) |
| Imperial to Sandanski | 6,668.92 mi (10,732.59 km) |
| Imperial to Sevlievo | 6,635.64 mi (10,679.02 km) |
| Imperial to Shumen | 6,668.65 mi (10,732.16 km) |
| Imperial to Silistra | 6,627.56 mi (10,666.02 km) |
| Imperial to Sliven | 6,688.38 mi (10,763.91 km) |
