| Saint-Cyr-sur-Mer to Popovo | 1,030.09 mi (1,657.76 km) |
| Saint-Cyr-sur-Mer to Provadia | 1,091.41 mi (1,756.45 km) |
| Saint-Cyr-sur-Mer to Radnevo | 1,025.59 mi (1,650.52 km) |
| Saint-Cyr-sur-Mer to Radomir | 872.67 mi (1,404.43 km) |
| Saint-Cyr-sur-Mer to Rakitovo | 936.55 mi (1,507.23 km) |
| Saint-Cyr-sur-Mer to Rakovski | 977.05 mi (1,572.41 km) |
| Saint-Cyr-sur-Mer to Razgrad | 1,042.86 mi (1,678.32 km) |
| Saint-Cyr-sur-Mer to Razlog | 906.86 mi (1,459.45 km) |
| Saint-Cyr-sur-Mer to Ruse | 1,013.04 mi (1,630.32 km) |
| Saint-Cyr-sur-Mer to Samokov | 905.50 mi (1,457.27 km) |
| Saint-Cyr-sur-Mer to Sandanski | 902.22 mi (1,451.98 km) |
| Saint-Cyr-sur-Mer to Sevlievo | 976.74 mi (1,571.92 km) |
| Saint-Cyr-sur-Mer to Shumen | 1,065.57 mi (1,714.87 km) |
| Saint-Cyr-sur-Mer to Silistra | 1,076.30 mi (1,732.14 km) |
| Saint-Cyr-sur-Mer to Sliven | 1,041.26 mi (1,675.75 km) |
