| Perth to Popovo | 1,579.68 mi (2,542.26 km) |
| Perth to Provadia | 1,630.53 mi (2,624.08 km) |
| Perth to Radnevo | 1,621.43 mi (2,609.43 km) |
| Perth to Radomir | 1,506.34 mi (2,424.23 km) |
| Perth to Rakitovo | 1,574.03 mi (2,533.16 km) |
| Perth to Rakovski | 1,588.49 mi (2,556.43 km) |
| Perth to Razgrad | 1,580.80 mi (2,544.06 km) |
| Perth to Razlog | 1,558.44 mi (2,508.06 km) |
| Perth to Ruse | 1,546.72 mi (2,489.21 km) |
| Perth to Samokov | 1,537.81 mi (2,474.87 km) |
| Perth to Sandanski | 1,568.84 mi (2,524.81 km) |
| Perth to Sevlievo | 1,556.37 mi (2,504.73 km) |
| Perth to Shumen | 1,607.81 mi (2,587.52 km) |
| Perth to Silistra | 1,579.43 mi (2,541.84 km) |
| Perth to Sliven | 1,616.18 mi (2,600.98 km) |
