| Croissy-sur-Seine to Smolyan | 1,201.82 mi (1,934.15 km) |
| Croissy-sur-Seine to Sofia | 1,101.78 mi (1,773.14 km) |
| Croissy-sur-Seine to Sopot | 1,166.11 mi (1,876.67 km) |
| Croissy-sur-Seine to Sozopol | 1,305.20 mi (2,100.51 km) |
| Croissy-sur-Seine to Sredets | 1,285.11 mi (2,068.18 km) |
| Croissy-sur-Seine to Stamboliyski | 1,174.54 mi (1,890.23 km) |
| Croissy-sur-Seine to Stara Zagora | 1,213.36 mi (1,952.71 km) |
| Croissy-sur-Seine to Svilengrad | 1,260.97 mi (2,029.33 km) |
| Croissy-sur-Seine to Svishtov | 1,161.59 mi (1,869.40 km) |
| Croissy-sur-Seine to Targovishte | 1,228.26 mi (1,976.69 km) |
| Croissy-sur-Seine to Teteven | 1,135.73 mi (1,827.78 km) |
| Croissy-sur-Seine to Troyan | 1,156.79 mi (1,861.68 km) |
| Croissy-sur-Seine to Tryavna | 1,192.15 mi (1,918.58 km) |
| Croissy-sur-Seine to Tutrakan | 1,205.68 mi (1,940.35 km) |
| Croissy-sur-Seine to Varna | 1,289.21 mi (2,074.78 km) |
