| Little Rock to Popovo | 5,801.86 mi (9,337.19 km) |
| Little Rock to Provadia | 5,853.37 mi (9,420.09 km) |
| Little Rock to Radnevo | 5,840.68 mi (9,399.67 km) |
| Little Rock to Radomir | 5,716.73 mi (9,200.18 km) |
| Little Rock to Rakitovo | 5,786.01 mi (9,311.68 km) |
| Little Rock to Rakovski | 5,805.09 mi (9,342.39 km) |
| Little Rock to Razgrad | 5,803.44 mi (9,339.73 km) |
| Little Rock to Razlog | 5,767.11 mi (9,281.26 km) |
| Little Rock to Ruse | 5,769.25 mi (9,284.71 km) |
| Little Rock to Samokov | 5,749.56 mi (9,253.02 km) |
| Little Rock to Sandanski | 5,774.54 mi (9,293.23 km) |
| Little Rock to Sevlievo | 5,776.01 mi (9,295.59 km) |
| Little Rock to Shumen | 5,830.49 mi (9,383.26 km) |
| Little Rock to Silistra | 5,802.22 mi (9,337.78 km) |
| Little Rock to Sliven | 5,837.25 mi (9,394.15 km) |
