| Orsay to Popovo | 1,205.45 mi (1,939.98 km) |
| Orsay to Provadia | 1,264.68 mi (2,035.31 km) |
| Orsay to Radnevo | 1,225.79 mi (1,972.72 km) |
| Orsay to Radomir | 1,085.06 mi (1,746.24 km) |
| Orsay to Rakitovo | 1,154.88 mi (1,858.59 km) |
| Orsay to Rakovski | 1,183.15 mi (1,904.10 km) |
| Orsay to Razgrad | 1,212.70 mi (1,951.65 km) |
| Orsay to Razlog | 1,131.46 mi (1,820.91 km) |
| Orsay to Ruse | 1,178.72 mi (1,896.96 km) |
| Orsay to Samokov | 1,119.13 mi (1,801.07 km) |
| Orsay to Sandanski | 1,135.08 mi (1,826.73 km) |
| Orsay to Sevlievo | 1,165.28 mi (1,875.33 km) |
| Orsay to Shumen | 1,239.05 mi (1,994.07 km) |
| Orsay to Silistra | 1,229.54 mi (1,978.75 km) |
| Orsay to Sliven | 1,230.97 mi (1,981.05 km) |
