| Rouen to Smolyan | 1,258.53 mi (2,025.41 km) |
| Rouen to Sofia | 1,157.88 mi (1,863.43 km) |
| Rouen to Sopot | 1,221.45 mi (1,965.73 km) |
| Rouen to Sozopol | 1,359.15 mi (2,187.34 km) |
| Rouen to Sredets | 1,339.43 mi (2,155.61 km) |
| Rouen to Stamboliyski | 1,230.68 mi (1,980.58 km) |
| Rouen to Stara Zagora | 1,268.46 mi (2,041.39 km) |
| Rouen to Svilengrad | 1,316.61 mi (2,118.89 km) |
| Rouen to Svishtov | 1,215.14 mi (1,955.57 km) |
| Rouen to Targovishte | 1,281.65 mi (2,062.62 km) |
| Rouen to Teteven | 1,190.98 mi (1,916.69 km) |
| Rouen to Troyan | 1,211.82 mi (1,950.24 km) |
| Rouen to Tryavna | 1,246.74 mi (2,006.44 km) |
| Rouen to Tutrakan | 1,257.77 mi (2,024.18 km) |
| Rouen to Varna | 1,341.89 mi (2,159.56 km) |
