| Romans-sur-Isere to Smolyan | 1,013.56 mi (1,631.17 km) |
| Romans-sur-Isere to Sofia | 922.65 mi (1,484.86 km) |
| Romans-sur-Isere to Sopot | 992.84 mi (1,597.82 km) |
| Romans-sur-Isere to Sozopol | 1,141.38 mi (1,836.87 km) |
| Romans-sur-Isere to Sredets | 1,118.32 mi (1,799.77 km) |
| Romans-sur-Isere to Stamboliyski | 992.91 mi (1,597.94 km) |
| Romans-sur-Isere to Stara Zagora | 1,041.02 mi (1,675.37 km) |
| Romans-sur-Isere to Svilengrad | 1,082.15 mi (1,741.56 km) |
| Romans-sur-Isere to Svishtov | 1,005.39 mi (1,618.02 km) |
| Romans-sur-Isere to Targovishte | 1,071.46 mi (1,724.34 km) |
| Romans-sur-Isere to Teteven | 964.23 mi (1,551.77 km) |
| Romans-sur-Isere to Troyan | 986.80 mi (1,588.10 km) |
| Romans-sur-Isere to Tryavna | 1,025.32 mi (1,650.10 km) |
| Romans-sur-Isere to Tutrakan | 1,060.94 mi (1,707.42 km) |
| Romans-sur-Isere to Varna | 1,137.09 mi (1,829.98 km) |
