| Crofton to Popovo | 4,987.82 mi (8,027.12 km) |
| Crofton to Provadia | 5,042.66 mi (8,115.37 km) |
| Crofton to Radnevo | 5,019.75 mi (8,078.51 km) |
| Crofton to Radomir | 4,887.28 mi (7,865.32 km) |
| Crofton to Rakitovo | 4,957.17 mi (7,977.79 km) |
| Crofton to Rakovski | 4,980.81 mi (8,015.84 km) |
| Crofton to Razgrad | 4,991.44 mi (8,032.94 km) |
| Crofton to Razlog | 4,935.74 mi (7,943.31 km) |
| Crofton to Ruse | 4,956.93 mi (7,977.41 km) |
| Crofton to Samokov | 4,920.90 mi (7,919.43 km) |
| Crofton to Sandanski | 4,940.93 mi (7,951.67 km) |
| Crofton to Sevlievo | 4,956.28 mi (7,976.37 km) |
| Crofton to Shumen | 5,018.54 mi (8,076.56 km) |
| Crofton to Silistra | 4,996.26 mi (8,040.70 km) |
| Crofton to Sliven | 5,019.82 mi (8,078.62 km) |
