| Orangeburg to Popovo | 5,419.30 mi (8,721.52 km) |
| Orangeburg to Provadia | 5,474.95 mi (8,811.08 km) |
| Orangeburg to Radnevo | 5,449.11 mi (8,769.49 km) |
| Orangeburg to Radomir | 5,314.12 mi (8,552.25 km) |
| Orangeburg to Rakitovo | 5,384.06 mi (8,664.80 km) |
| Orangeburg to Rakovski | 5,409.18 mi (8,705.24 km) |
| Orangeburg to Razgrad | 5,423.48 mi (8,728.25 km) |
| Orangeburg to Razlog | 5,361.79 mi (8,628.96 km) |
| Orangeburg to Ruse | 5,388.96 mi (8,672.69 km) |
| Orangeburg to Samokov | 5,347.94 mi (8,606.68 km) |
| Orangeburg to Sandanski | 5,366.15 mi (8,635.98 km) |
| Orangeburg to Sevlievo | 5,386.15 mi (8,668.17 km) |
| Orangeburg to Shumen | 5,450.55 mi (8,771.81 km) |
| Orangeburg to Silistra | 5,429.89 mi (8,738.57 km) |
| Orangeburg to Sliven | 5,450.24 mi (8,771.32 km) |
