| Nules to Popovo | 1,378.44 mi (2,218.38 km) |
| Nules to Provadia | 1,438.73 mi (2,315.42 km) |
| Nules to Radnevo | 1,363.65 mi (2,194.58 km) |
| Nules to Radomir | 1,211.40 mi (1,949.56 km) |
| Nules to Rakitovo | 1,269.50 mi (2,043.07 km) |
| Nules to Rakovski | 1,314.22 mi (2,115.03 km) |
| Nules to Razgrad | 1,392.91 mi (2,241.68 km) |
| Nules to Razlog | 1,237.99 mi (1,992.36 km) |
| Nules to Ruse | 1,365.48 mi (2,197.53 km) |
| Nules to Samokov | 1,242.14 mi (1,999.04 km) |
| Nules to Sandanski | 1,229.18 mi (1,978.18 km) |
| Nules to Sevlievo | 1,321.64 mi (2,126.98 km) |
| Nules to Shumen | 1,413.57 mi (2,274.92 km) |
| Nules to Silistra | 1,431.26 mi (2,303.40 km) |
| Nules to Sliven | 1,383.43 mi (2,226.42 km) |
