| Kempen to Popovo | 1,075.07 mi (1,730.15 km) |
| Kempen to Provadia | 1,129.92 mi (1,818.43 km) |
| Kempen to Radnevo | 1,109.48 mi (1,785.54 km) |
| Kempen to Radomir | 985.47 mi (1,585.96 km) |
| Kempen to Rakitovo | 1,054.37 mi (1,696.85 km) |
| Kempen to Rakovski | 1,073.02 mi (1,726.86 km) |
| Kempen to Razgrad | 1,078.63 mi (1,735.89 km) |
| Kempen to Razlog | 1,036.60 mi (1,668.24 km) |
| Kempen to Ruse | 1,044.12 mi (1,680.35 km) |
| Kempen to Samokov | 1,017.94 mi (1,638.21 km) |
| Kempen to Sandanski | 1,045.48 mi (1,682.54 km) |
| Kempen to Sevlievo | 1,045.24 mi (1,682.16 km) |
| Kempen to Shumen | 1,105.73 mi (1,779.50 km) |
| Kempen to Silistra | 1,084.93 mi (1,746.03 km) |
| Kempen to Sliven | 1,107.86 mi (1,782.93 km) |
