| Gagny to Smolyan | 1,184.90 mi (1,906.91 km) |
| Gagny to Sofia | 1,084.72 mi (1,745.68 km) |
| Gagny to Sopot | 1,148.91 mi (1,848.99 km) |
| Gagny to Sozopol | 1,287.80 mi (2,072.51 km) |
| Gagny to Sredets | 1,267.75 mi (2,040.25 km) |
| Gagny to Stamboliyski | 1,157.49 mi (1,862.79 km) |
| Gagny to Stara Zagora | 1,196.12 mi (1,924.97 km) |
| Gagny to Svilengrad | 1,243.83 mi (2,001.74 km) |
| Gagny to Svishtov | 1,144.14 mi (1,841.31 km) |
| Gagny to Targovishte | 1,210.79 mi (1,948.58 km) |
| Gagny to Teteven | 1,118.51 mi (1,800.07 km) |
| Gagny to Troyan | 1,139.54 mi (1,833.91 km) |
| Gagny to Tryavna | 1,174.83 mi (1,890.71 km) |
| Gagny to Tutrakan | 1,188.08 mi (1,912.04 km) |
| Gagny to Varna | 1,271.67 mi (2,046.56 km) |
