| Soissons to Devnya | 1,226.66 mi (1,974.11 km) |
| Soissons to Dimitrovgrad | 1,182.15 mi (1,902.49 km) |
| Soissons to Dobrich | 1,227.01 mi (1,974.69 km) |
| Soissons to Dospat | 1,136.48 mi (1,828.99 km) |
| Soissons to Dupnitsa | 1,068.02 mi (1,718.81 km) |
| Soissons to Elhovo | 1,219.59 mi (1,962.74 km) |
| Soissons to Etropole | 1,084.27 mi (1,744.97 km) |
| Soissons to Gabrovo | 1,140.77 mi (1,835.89 km) |
| Soissons to Gorna Oryahovitsa | 1,147.45 mi (1,846.64 km) |
| Soissons to Gotse Delchev | 1,121.56 mi (1,804.98 km) |
| Soissons to Harmanli | 1,199.46 mi (1,930.34 km) |
| Soissons to Haskovo | 1,185.13 mi (1,907.28 km) |
| Soissons to Ihtiman | 1,091.08 mi (1,755.92 km) |
| Soissons to Isperih | 1,177.92 mi (1,895.68 km) |
| Soissons to Kardzhali | 1,187.44 mi (1,911.00 km) |
