| Kirkel to Popovo | 991.49 mi (1,595.65 km) |
| Kirkel to Provadia | 1,049.23 mi (1,688.57 km) |
| Kirkel to Radnevo | 1,018.10 mi (1,638.47 km) |
| Kirkel to Radomir | 884.63 mi (1,423.68 km) |
| Kirkel to Rakitovo | 954.45 mi (1,536.04 km) |
| Kirkel to Rakovski | 978.13 mi (1,574.15 km) |
| Kirkel to Razgrad | 997.28 mi (1,604.96 km) |
| Kirkel to Razlog | 933.80 mi (1,502.81 km) |
| Kirkel to Ruse | 962.91 mi (1,549.66 km) |
| Kirkel to Samokov | 918.12 mi (1,477.58 km) |
| Kirkel to Sandanski | 940.25 mi (1,513.19 km) |
| Kirkel to Sevlievo | 955.56 mi (1,537.82 km) |
| Kirkel to Shumen | 1,024.06 mi (1,648.06 km) |
| Kirkel to Silistra | 1,010.18 mi (1,625.73 km) |
| Kirkel to Sliven | 1,020.24 mi (1,641.92 km) |
