| Prineville to Popovo | 6,050.22 mi (9,736.89 km) |
| Prineville to Provadia | 6,083.97 mi (9,791.21 km) |
| Prineville to Radnevo | 6,111.07 mi (9,834.81 km) |
| Prineville to Radomir | 6,033.27 mi (9,709.61 km) |
| Prineville to Rakitovo | 6,093.03 mi (9,805.78 km) |
| Prineville to Rakovski | 6,092.16 mi (9,804.38 km) |
| Prineville to Razgrad | 6,044.06 mi (9,726.97 km) |
| Prineville to Razlog | 6,086.18 mi (9,794.76 km) |
| Prineville to Ruse | 6,014.67 mi (9,679.68 km) |
| Prineville to Samokov | 6,059.58 mi (9,751.96 km) |
| Prineville to Sandanski | 6,101.98 mi (9,820.19 km) |
| Prineville to Sevlievo | 6,048.52 mi (9,734.16 km) |
| Prineville to Shumen | 6,068.04 mi (9,765.56 km) |
| Prineville to Silistra | 6,020.96 mi (9,689.80 km) |
| Prineville to Sliven | 6,094.63 mi (9,808.36 km) |
