| North Branch to Popovo | 5,254.09 mi (8,455.65 km) |
| North Branch to Provadia | 5,300.85 mi (8,530.90 km) |
| North Branch to Radnevo | 5,300.83 mi (8,530.86 km) |
| North Branch to Radomir | 5,190.00 mi (8,352.49 km) |
| North Branch to Rakitovo | 5,257.36 mi (8,460.90 km) |
| North Branch to Rakovski | 5,270.10 mi (8,481.40 km) |
| North Branch to Razgrad | 5,253.20 mi (8,454.21 km) |
| North Branch to Razlog | 5,242.19 mi (8,436.49 km) |
| North Branch to Ruse | 5,219.92 mi (8,400.65 km) |
| North Branch to Samokov | 5,221.23 mi (8,402.77 km) |
| North Branch to Sandanski | 5,252.63 mi (8,453.30 km) |
| North Branch to Sevlievo | 5,235.65 mi (8,425.96 km) |
| North Branch to Shumen | 5,279.77 mi (8,496.97 km) |
| North Branch to Silistra | 5,244.99 mi (8,440.99 km) |
| North Branch to Sliven | 5,293.07 mi (8,518.38 km) |
