| Saint-Gregoire to Devnya | 1,443.12 mi (2,322.48 km) |
| Saint-Gregoire to Dimitrovgrad | 1,387.44 mi (2,232.86 km) |
| Saint-Gregoire to Dobrich | 1,445.78 mi (2,326.76 km) |
| Saint-Gregoire to Dospat | 1,334.99 mi (2,148.46 km) |
| Saint-Gregoire to Dupnitsa | 1,267.53 mi (2,039.89 km) |
| Saint-Gregoire to Elhovo | 1,428.04 mi (2,298.22 km) |
| Saint-Gregoire to Etropole | 1,290.34 mi (2,076.60 km) |
| Saint-Gregoire to Gabrovo | 1,350.45 mi (2,173.33 km) |
| Saint-Gregoire to Gorna Oryahovitsa | 1,359.59 mi (2,188.06 km) |
| Saint-Gregoire to Gotse Delchev | 1,318.10 mi (2,121.27 km) |
| Saint-Gregoire to Harmanli | 1,404.82 mi (2,260.84 km) |
| Saint-Gregoire to Haskovo | 1,389.60 mi (2,236.34 km) |
| Saint-Gregoire to Ihtiman | 1,293.93 mi (2,082.38 km) |
| Saint-Gregoire to Isperih | 1,395.68 mi (2,246.13 km) |
| Saint-Gregoire to Kardzhali | 1,389.57 mi (2,236.29 km) |
