| Morton Grove to Popovo | 5,259.51 mi (8,464.36 km) |
| Morton Grove to Provadia | 5,309.71 mi (8,545.16 km) |
| Morton Grove to Radnevo | 5,300.79 mi (8,530.80 km) |
| Morton Grove to Radomir | 5,180.75 mi (8,337.61 km) |
| Morton Grove to Rakitovo | 5,249.55 mi (8,448.33 km) |
| Morton Grove to Rakovski | 5,266.65 mi (8,475.85 km) |
| Morton Grove to Razgrad | 5,260.36 mi (8,465.73 km) |
| Morton Grove to Razlog | 5,231.82 mi (8,419.80 km) |
| Morton Grove to Ruse | 5,226.38 mi (8,411.04 km) |
| Morton Grove to Samokov | 5,213.13 mi (8,389.72 km) |
| Morton Grove to Sandanski | 5,240.27 mi (8,433.39 km) |
| Morton Grove to Sevlievo | 5,235.84 mi (8,426.27 km) |
| Morton Grove to Shumen | 5,287.31 mi (8,509.11 km) |
| Morton Grove to Silistra | 5,257.13 mi (8,460.54 km) |
| Morton Grove to Sliven | 5,296.03 mi (8,523.14 km) |
