| Olonne-sur-Mer to Devnya | 1,446.11 mi (2,327.28 km) |
| Olonne-sur-Mer to Dimitrovgrad | 1,381.28 mi (2,222.95 km) |
| Olonne-sur-Mer to Dobrich | 1,450.93 mi (2,335.04 km) |
| Olonne-sur-Mer to Dospat | 1,324.10 mi (2,130.94 km) |
| Olonne-sur-Mer to Dupnitsa | 1,257.98 mi (2,024.52 km) |
| Olonne-sur-Mer to Elhovo | 1,424.15 mi (2,291.94 km) |
| Olonne-sur-Mer to Etropole | 1,285.59 mi (2,068.96 km) |
| Olonne-sur-Mer to Gabrovo | 1,348.14 mi (2,169.62 km) |
| Olonne-sur-Mer to Gorna Oryahovitsa | 1,359.31 mi (2,187.60 km) |
| Olonne-sur-Mer to Gotse Delchev | 1,305.92 mi (2,101.68 km) |
| Olonne-sur-Mer to Harmanli | 1,398.60 mi (2,250.82 km) |
| Olonne-sur-Mer to Haskovo | 1,382.78 mi (2,225.37 km) |
| Olonne-sur-Mer to Ihtiman | 1,286.65 mi (2,070.66 km) |
| Olonne-sur-Mer to Isperih | 1,400.20 mi (2,253.40 km) |
| Olonne-sur-Mer to Kardzhali | 1,380.94 mi (2,222.40 km) |
