| Portet-sur-Garonne to Devnya | 1,308.69 mi (2,106.14 km) |
| Portet-sur-Garonne to Dimitrovgrad | 1,226.67 mi (1,974.13 km) |
| Portet-sur-Garonne to Dobrich | 1,317.90 mi (2,120.95 km) |
| Portet-sur-Garonne to Dospat | 1,161.38 mi (1,869.06 km) |
| Portet-sur-Garonne to Dupnitsa | 1,099.35 mi (1,769.24 km) |
| Portet-sur-Garonne to Elhovo | 1,273.18 mi (2,048.99 km) |
| Portet-sur-Garonne to Etropole | 1,135.89 mi (1,828.04 km) |
| Portet-sur-Garonne to Gabrovo | 1,201.94 mi (1,934.34 km) |
| Portet-sur-Garonne to Gorna Oryahovitsa | 1,216.99 mi (1,958.56 km) |
| Portet-sur-Garonne to Gotse Delchev | 1,141.08 mi (1,836.39 km) |
| Portet-sur-Garonne to Harmanli | 1,243.51 mi (2,001.23 km) |
| Portet-sur-Garonne to Haskovo | 1,226.83 mi (1,974.40 km) |
| Portet-sur-Garonne to Ihtiman | 1,131.85 mi (1,821.53 km) |
| Portet-sur-Garonne to Isperih | 1,266.91 mi (2,038.89 km) |
| Portet-sur-Garonne to Kardzhali | 1,221.47 mi (1,965.76 km) |
