| Gif-sur-Yvette to Smolyan | 1,198.83 mi (1,929.33 km) |
| Gif-sur-Yvette to Sofia | 1,099.10 mi (1,768.83 km) |
| Gif-sur-Yvette to Sopot | 1,163.78 mi (1,872.92 km) |
| Gif-sur-Yvette to Sozopol | 1,303.44 mi (2,097.69 km) |
| Gif-sur-Yvette to Sredets | 1,283.20 mi (2,065.10 km) |
| Gif-sur-Yvette to Stamboliyski | 1,171.83 mi (1,885.87 km) |
| Gif-sur-Yvette to Stara Zagora | 1,211.12 mi (1,949.11 km) |
| Gif-sur-Yvette to Svilengrad | 1,258.48 mi (2,025.32 km) |
| Gif-sur-Yvette to Svishtov | 1,160.02 mi (1,866.88 km) |
| Gif-sur-Yvette to Targovishte | 1,226.74 mi (1,974.25 km) |
| Gif-sur-Yvette to Teteven | 1,133.44 mi (1,824.10 km) |
| Gif-sur-Yvette to Troyan | 1,154.60 mi (1,858.15 km) |
| Gif-sur-Yvette to Tryavna | 1,190.14 mi (1,915.34 km) |
| Gif-sur-Yvette to Tutrakan | 1,204.67 mi (1,938.73 km) |
| Gif-sur-Yvette to Varna | 1,287.97 mi (2,072.78 km) |
