| Choisy-le-Roi to Popovo | 1,196.18 mi (1,925.07 km) |
| Choisy-le-Roi to Provadia | 1,255.33 mi (2,020.27 km) |
| Choisy-le-Roi to Radnevo | 1,216.90 mi (1,958.41 km) |
| Choisy-le-Roi to Radomir | 1,076.53 mi (1,732.51 km) |
| Choisy-le-Roi to Rakitovo | 1,146.37 mi (1,844.91 km) |
| Choisy-le-Roi to Rakovski | 1,174.40 mi (1,890.01 km) |
| Choisy-le-Roi to Razgrad | 1,203.34 mi (1,936.59 km) |
| Choisy-le-Roi to Razlog | 1,123.10 mi (1,807.45 km) |
| Choisy-le-Roi to Ruse | 1,169.33 mi (1,881.86 km) |
| Choisy-le-Roi to Samokov | 1,110.59 mi (1,787.32 km) |
| Choisy-le-Roi to Sandanski | 1,126.87 mi (1,813.52 km) |
| Choisy-le-Roi to Sevlievo | 1,156.25 mi (1,860.81 km) |
| Choisy-le-Roi to Shumen | 1,229.73 mi (1,979.06 km) |
| Choisy-le-Roi to Silistra | 1,219.94 mi (1,963.30 km) |
| Choisy-le-Roi to Sliven | 1,221.90 mi (1,966.45 km) |
