| Merced to Popovo | 6,485.65 mi (10,437.65 km) |
| Merced to Provadia | 6,522.05 mi (10,496.23 km) |
| Merced to Radnevo | 6,544.14 mi (10,531.77 km) |
| Merced to Radomir | 6,459.06 mi (10,394.85 km) |
| Merced to Rakitovo | 6,520.80 mi (10,494.22 km) |
| Merced to Rakovski | 6,522.74 mi (10,497.34 km) |
| Merced to Razgrad | 6,480.45 mi (10,429.28 km) |
| Merced to Razlog | 6,512.15 mi (10,480.29 km) |
| Merced to Ruse | 6,450.15 mi (10,380.51 km) |
| Merced to Samokov | 6,486.59 mi (10,439.15 km) |
| Merced to Sandanski | 6,526.89 mi (10,504.02 km) |
| Merced to Sevlievo | 6,480.68 mi (10,429.65 km) |
| Merced to Shumen | 6,505.06 mi (10,468.89 km) |
| Merced to Silistra | 6,459.96 mi (10,396.31 km) |
| Merced to Sliven | 6,529.29 mi (10,507.88 km) |
