| Middleburg Heights to Popovo | 5,075.89 mi (8,168.85 km) |
| Middleburg Heights to Provadia | 5,128.33 mi (8,253.24 km) |
| Middleburg Heights to Radnevo | 5,113.06 mi (8,228.68 km) |
| Middleburg Heights to Radomir | 4,987.13 mi (8,026.01 km) |
| Middleburg Heights to Rakitovo | 5,056.59 mi (8,137.80 km) |
| Middleburg Heights to Rakovski | 5,076.67 mi (8,170.11 km) |
| Middleburg Heights to Razgrad | 5,077.99 mi (8,172.24 km) |
| Middleburg Heights to Razlog | 5,037.17 mi (8,106.54 km) |
| Middleburg Heights to Ruse | 5,043.68 mi (8,117.03 km) |
| Middleburg Heights to Samokov | 5,020.15 mi (8,079.15 km) |
| Middleburg Heights to Sandanski | 5,044.18 mi (8,117.82 km) |
| Middleburg Heights to Sevlievo | 5,048.61 mi (8,124.95 km) |
| Middleburg Heights to Shumen | 5,105.09 mi (8,215.85 km) |
| Middleburg Heights to Silistra | 5,078.41 mi (8,172.91 km) |
| Middleburg Heights to Sliven | 5,110.47 mi (8,224.50 km) |
