| Helena to Popovo | 5,718.54 mi (9,203.09 km) |
| Helena to Provadia | 5,756.29 mi (9,263.85 km) |
| Helena to Radnevo | 5,775.85 mi (9,295.33 km) |
| Helena to Radomir | 5,688.11 mi (9,154.13 km) |
| Helena to Rakitovo | 5,750.46 mi (9,254.47 km) |
| Helena to Rakovski | 5,753.43 mi (9,259.25 km) |
| Helena to Razgrad | 5,713.83 mi (9,195.52 km) |
| Helena to Razlog | 5,741.22 mi (9,239.60 km) |
| Helena to Ruse | 5,683.09 mi (9,146.05 km) |
| Helena to Samokov | 5,716.00 mi (9,199.02 km) |
| Helena to Sandanski | 5,755.63 mi (9,262.79 km) |
| Helena to Sevlievo | 5,712.06 mi (9,192.67 km) |
| Helena to Shumen | 5,738.75 mi (9,235.62 km) |
| Helena to Silistra | 5,694.80 mi (9,164.90 km) |
| Helena to Sliven | 5,761.75 mi (9,272.65 km) |
