| Union Hill-Novelty Hill to Popovo | 5,856.98 mi (9,425.90 km) |
| Union Hill-Novelty Hill to Provadia | 5,888.87 mi (9,477.22 km) |
| Union Hill-Novelty Hill to Radnevo | 5,919.32 mi (9,526.23 km) |
| Union Hill-Novelty Hill to Radomir | 5,846.51 mi (9,409.05 km) |
| Union Hill-Novelty Hill to Rakitovo | 5,904.85 mi (9,502.94 km) |
| Union Hill-Novelty Hill to Rakovski | 5,902.11 mi (9,498.53 km) |
| Union Hill-Novelty Hill to Razgrad | 5,850.17 mi (9,414.94 km) |
| Union Hill-Novelty Hill to Razlog | 5,899.21 mi (9,493.86 km) |
| Union Hill-Novelty Hill to Ruse | 5,821.45 mi (9,368.72 km) |
| Union Hill-Novelty Hill to Samokov | 5,871.97 mi (9,450.03 km) |
| Union Hill-Novelty Hill to Sandanski | 5,915.68 mi (9,520.36 km) |
| Union Hill-Novelty Hill to Sevlievo | 5,857.50 mi (9,426.73 km) |
| Union Hill-Novelty Hill to Shumen | 5,873.68 mi (9,452.78 km) |
| Union Hill-Novelty Hill to Silistra | 5,825.32 mi (9,374.94 km) |
| Union Hill-Novelty Hill to Sliven | 5,901.84 mi (9,498.09 km) |
