| Cincinnati to Popovo | 5,285.03 mi (8,505.43 km) |
| Cincinnati to Provadia | 5,337.54 mi (8,589.94 km) |
| Cincinnati to Radnevo | 5,322.01 mi (8,564.95 km) |
| Cincinnati to Radomir | 5,195.73 mi (8,361.72 km) |
| Cincinnati to Rakitovo | 5,265.23 mi (8,473.57 km) |
| Cincinnati to Rakovski | 5,285.50 mi (8,506.19 km) |
| Cincinnati to Razgrad | 5,287.18 mi (8,508.89 km) |
| Cincinnati to Razlog | 5,245.68 mi (8,442.11 km) |
| Cincinnati to Ruse | 5,252.86 mi (8,453.66 km) |
| Cincinnati to Samokov | 5,228.79 mi (8,414.93 km) |
| Cincinnati to Sandanski | 5,252.58 mi (8,453.21 km) |
| Cincinnati to Sevlievo | 5,257.59 mi (8,461.28 km) |
| Cincinnati to Shumen | 5,314.28 mi (8,552.50 km) |
| Cincinnati to Silistra | 5,287.69 mi (8,509.72 km) |
| Cincinnati to Sliven | 5,319.52 mi (8,560.94 km) |
