| Roudnice nad Labem to Popovo | 745.74 mi (1,200.16 km) |
| Roudnice nad Labem to Provadia | 797.02 mi (1,282.68 km) |
| Roudnice nad Labem to Radnevo | 788.72 mi (1,269.33 km) |
| Roudnice nad Labem to Radomir | 682.33 mi (1,098.10 km) |
| Roudnice nad Labem to Rakitovo | 747.54 mi (1,203.05 km) |
| Roudnice nad Labem to Rakovski | 757.84 mi (1,219.63 km) |
| Roudnice nad Labem to Razgrad | 747.01 mi (1,202.20 km) |
| Roudnice nad Labem to Razlog | 735.32 mi (1,183.38 km) |
| Roudnice nad Labem to Ruse | 712.86 mi (1,147.23 km) |
| Roudnice nad Labem to Samokov | 711.97 mi (1,145.81 km) |
| Roudnice nad Labem to Sandanski | 748.47 mi (1,204.55 km) |
| Roudnice nad Labem to Sevlievo | 723.55 mi (1,164.45 km) |
| Roudnice nad Labem to Shumen | 774.05 mi (1,245.72 km) |
| Roudnice nad Labem to Silistra | 747.52 mi (1,203.02 km) |
| Roudnice nad Labem to Sliven | 782.49 mi (1,259.30 km) |
