| Soisy-sous-Montmorency to Popovo | 1,203.65 mi (1,937.09 km) |
| Soisy-sous-Montmorency to Provadia | 1,262.60 mi (2,031.96 km) |
| Soisy-sous-Montmorency to Radnevo | 1,225.22 mi (1,971.80 km) |
| Soisy-sous-Montmorency to Radomir | 1,085.61 mi (1,747.12 km) |
| Soisy-sous-Montmorency to Rakitovo | 1,155.49 mi (1,859.58 km) |
| Soisy-sous-Montmorency to Rakovski | 1,183.02 mi (1,903.89 km) |
| Soisy-sous-Montmorency to Razgrad | 1,210.59 mi (1,948.26 km) |
| Soisy-sous-Montmorency to Razlog | 1,132.48 mi (1,822.56 km) |
| Soisy-sous-Montmorency to Ruse | 1,176.51 mi (1,893.41 km) |
| Soisy-sous-Montmorency to Samokov | 1,119.62 mi (1,801.85 km) |
| Soisy-sous-Montmorency to Sandanski | 1,136.54 mi (1,829.08 km) |
| Soisy-sous-Montmorency to Sevlievo | 1,164.29 mi (1,873.74 km) |
| Soisy-sous-Montmorency to Shumen | 1,237.06 mi (1,990.85 km) |
| Soisy-sous-Montmorency to Silistra | 1,226.54 mi (1,973.93 km) |
| Soisy-sous-Montmorency to Sliven | 1,229.83 mi (1,979.22 km) |
