| Huber Heights to Popovo | 5,234.96 mi (8,424.86 km) |
| Huber Heights to Provadia | 5,287.31 mi (8,509.10 km) |
| Huber Heights to Radnevo | 5,272.28 mi (8,484.92 km) |
| Huber Heights to Radomir | 5,146.48 mi (8,282.47 km) |
| Huber Heights to Rakitovo | 5,215.94 mi (8,394.24 km) |
| Huber Heights to Rakovski | 5,235.95 mi (8,426.45 km) |
| Huber Heights to Razgrad | 5,237.01 mi (8,428.16 km) |
| Huber Heights to Razlog | 5,196.54 mi (8,363.02 km) |
| Huber Heights to Ruse | 5,202.72 mi (8,372.96 km) |
| Huber Heights to Samokov | 5,179.50 mi (8,335.59 km) |
| Huber Heights to Sandanski | 5,203.57 mi (8,374.34 km) |
| Huber Heights to Sevlievo | 5,207.81 mi (8,381.16 km) |
| Huber Heights to Shumen | 5,264.11 mi (8,471.76 km) |
| Huber Heights to Silistra | 5,237.26 mi (8,428.55 km) |
| Huber Heights to Sliven | 5,269.62 mi (8,480.63 km) |
