| Roudnice nad Labem to Smolyan | 788.50 mi (1,268.96 km) |
| Roudnice nad Labem to Sofia | 684.89 mi (1,102.22 km) |
| Roudnice nad Labem to Sopot | 731.49 mi (1,177.22 km) |
| Roudnice nad Labem to Sozopol | 843.80 mi (1,357.97 km) |
| Roudnice nad Labem to Sredets | 829.44 mi (1,334.86 km) |
| Roudnice nad Labem to Stamboliyski | 752.79 mi (1,211.51 km) |
| Roudnice nad Labem to Stara Zagora | 772.32 mi (1,242.93 km) |
| Roudnice nad Labem to Svilengrad | 825.73 mi (1,328.89 km) |
| Roudnice nad Labem to Svishtov | 701.57 mi (1,129.07 km) |
| Roudnice nad Labem to Targovishte | 763.08 mi (1,228.06 km) |
| Roudnice nad Labem to Teteven | 701.74 mi (1,129.34 km) |
| Roudnice nad Labem to Troyan | 717.97 mi (1,155.47 km) |
| Roudnice nad Labem to Tryavna | 744.72 mi (1,198.51 km) |
| Roudnice nad Labem to Tutrakan | 726.43 mi (1,169.07 km) |
| Roudnice nad Labem to Varna | 813.26 mi (1,308.81 km) |
