| Mentor to Popovo | 5,042.72 mi (8,115.48 km) |
| Mentor to Provadia | 5,095.17 mi (8,199.89 km) |
| Mentor to Radnevo | 5,079.88 mi (8,175.28 km) |
| Mentor to Radomir | 4,953.94 mi (7,972.60 km) |
| Mentor to Rakitovo | 5,023.41 mi (8,084.39 km) |
| Mentor to Rakovski | 5,043.49 mi (8,116.71 km) |
| Mentor to Razgrad | 5,044.83 mi (8,118.88 km) |
| Mentor to Razlog | 5,003.98 mi (8,053.13 km) |
| Mentor to Ruse | 5,010.52 mi (8,063.66 km) |
| Mentor to Samokov | 4,986.97 mi (8,025.75 km) |
| Mentor to Sandanski | 5,011.00 mi (8,064.42 km) |
| Mentor to Sevlievo | 5,015.43 mi (8,071.56 km) |
| Mentor to Shumen | 5,071.93 mi (8,162.48 km) |
| Mentor to Silistra | 5,045.27 mi (8,119.58 km) |
| Mentor to Sliven | 5,077.29 mi (8,171.11 km) |
