| Hickory to Popovo | 5,328.34 mi (8,575.14 km) |
| Hickory to Provadia | 5,383.09 mi (8,663.25 km) |
| Hickory to Radnevo | 5,360.40 mi (8,626.73 km) |
| Hickory to Radomir | 5,227.94 mi (8,413.56 km) |
| Hickory to Rakitovo | 5,297.83 mi (8,526.04 km) |
| Hickory to Rakovski | 5,321.48 mi (8,564.09 km) |
| Hickory to Razgrad | 5,331.90 mi (8,580.87 km) |
| Hickory to Razlog | 5,276.38 mi (8,491.52 km) |
| Hickory to Ruse | 5,297.40 mi (8,525.34 km) |
| Hickory to Samokov | 5,261.57 mi (8,467.68 km) |
| Hickory to Sandanski | 5,281.54 mi (8,499.82 km) |
| Hickory to Sevlievo | 5,296.91 mi (8,524.55 km) |
| Hickory to Shumen | 5,359.01 mi (8,624.50 km) |
| Hickory to Silistra | 5,336.52 mi (8,588.30 km) |
| Hickory to Sliven | 5,360.42 mi (8,626.76 km) |
