| Fredericksburg to Popovo | 5,053.27 mi (8,132.45 km) |
| Fredericksburg to Provadia | 5,108.16 mi (8,220.79 km) |
| Fredericksburg to Radnevo | 5,085.06 mi (8,183.62 km) |
| Fredericksburg to Radomir | 4,952.40 mi (7,970.12 km) |
| Fredericksburg to Rakitovo | 5,022.30 mi (8,082.61 km) |
| Fredericksburg to Rakovski | 5,046.05 mi (8,120.83 km) |
| Fredericksburg to Razgrad | 5,056.92 mi (8,138.33 km) |
| Fredericksburg to Razlog | 5,000.81 mi (8,048.02 km) |
| Fredericksburg to Ruse | 5,022.41 mi (8,082.80 km) |
| Fredericksburg to Samokov | 4,986.04 mi (8,024.26 km) |
| Fredericksburg to Sandanski | 5,005.93 mi (8,056.27 km) |
| Fredericksburg to Sevlievo | 5,021.63 mi (8,081.53 km) |
| Fredericksburg to Shumen | 5,084.03 mi (8,181.95 km) |
| Fredericksburg to Silistra | 5,061.84 mi (8,146.24 km) |
| Fredericksburg to Sliven | 5,085.20 mi (8,183.84 km) |
