| Narbonne to Smolyan | 1,109.63 mi (1,785.78 km) |
| Narbonne to Sofia | 1,026.08 mi (1,651.32 km) |
| Narbonne to Sopot | 1,097.86 mi (1,766.83 km) |
| Narbonne to Sozopol | 1,248.55 mi (2,009.34 km) |
| Narbonne to Sredets | 1,224.36 mi (1,970.42 km) |
| Narbonne to Stamboliyski | 1,093.31 mi (1,759.51 km) |
| Narbonne to Stara Zagora | 1,145.56 mi (1,843.60 km) |
| Narbonne to Svilengrad | 1,182.33 mi (1,902.77 km) |
| Narbonne to Svishtov | 1,118.80 mi (1,800.53 km) |
| Narbonne to Targovishte | 1,183.33 mi (1,904.38 km) |
| Narbonne to Teteven | 1,070.82 mi (1,723.31 km) |
| Narbonne to Troyan | 1,093.69 mi (1,760.12 km) |
| Narbonne to Tryavna | 1,133.07 mi (1,823.49 km) |
| Narbonne to Tutrakan | 1,178.60 mi (1,896.78 km) |
| Narbonne to Varna | 1,250.09 mi (2,011.82 km) |
