| Ayr to Popovo | 1,600.59 mi (2,575.90 km) |
| Ayr to Provadia | 1,653.06 mi (2,660.34 km) |
| Ayr to Radnevo | 1,639.26 mi (2,638.14 km) |
| Ayr to Radomir | 1,519.17 mi (2,444.87 km) |
| Ayr to Rakitovo | 1,587.69 mi (2,555.13 km) |
| Ayr to Rakovski | 1,604.54 mi (2,582.25 km) |
| Ayr to Razgrad | 1,602.65 mi (2,579.22 km) |
| Ayr to Razlog | 1,570.65 mi (2,527.72 km) |
| Ayr to Ruse | 1,568.34 mi (2,523.99 km) |
| Ayr to Samokov | 1,551.30 mi (2,496.58 km) |
| Ayr to Sandanski | 1,579.94 mi (2,542.67 km) |
| Ayr to Sevlievo | 1,574.49 mi (2,533.90 km) |
| Ayr to Shumen | 1,629.75 mi (2,622.83 km) |
| Ayr to Silistra | 1,603.97 mi (2,581.34 km) |
| Ayr to Sliven | 1,635.63 mi (2,632.30 km) |
