| Soissons to Popovo | 1,163.47 mi (1,872.43 km) |
| Soissons to Provadia | 1,221.88 mi (1,966.43 km) |
| Soissons to Radnevo | 1,187.25 mi (1,910.69 km) |
| Soissons to Radomir | 1,049.91 mi (1,689.67 km) |
| Soissons to Rakitovo | 1,119.85 mi (1,802.22 km) |
| Soissons to Rakovski | 1,145.92 mi (1,844.18 km) |
| Soissons to Razgrad | 1,169.88 mi (1,882.74 km) |
| Soissons to Razlog | 1,097.69 mi (1,766.57 km) |
| Soissons to Ruse | 1,135.65 mi (1,827.65 km) |
| Soissons to Samokov | 1,083.77 mi (1,744.16 km) |
| Soissons to Sandanski | 1,102.62 mi (1,774.49 km) |
| Soissons to Sevlievo | 1,125.60 mi (1,811.48 km) |
| Soissons to Shumen | 1,196.51 mi (1,925.59 km) |
| Soissons to Silistra | 1,184.31 mi (1,905.96 km) |
| Soissons to Sliven | 1,190.81 mi (1,916.43 km) |
