| McDonough to Popovo | 5,554.48 mi (8,939.08 km) |
| McDonough to Provadia | 5,609.21 mi (9,027.15 km) |
| McDonough to Radnevo | 5,586.56 mi (8,990.70 km) |
| McDonough to Radomir | 5,454.05 mi (8,777.44 km) |
| McDonough to Rakitovo | 5,523.94 mi (8,889.92 km) |
| McDonough to Rakovski | 5,547.63 mi (8,928.05 km) |
| McDonough to Razgrad | 5,558.03 mi (8,944.78 km) |
| McDonough to Razlog | 5,502.46 mi (8,855.35 km) |
| McDonough to Ruse | 5,523.53 mi (8,889.26 km) |
| McDonough to Samokov | 5,487.68 mi (8,831.57 km) |
| McDonough to Sandanski | 5,507.57 mi (8,863.58 km) |
| McDonough to Sevlievo | 5,523.08 mi (8,888.53 km) |
| McDonough to Shumen | 5,585.14 mi (8,988.41 km) |
| McDonough to Silistra | 5,562.56 mi (8,952.08 km) |
| McDonough to Sliven | 5,586.58 mi (8,990.73 km) |
