| Iisalmi to Popovo | 1,397.35 mi (2,248.81 km) |
| Iisalmi to Provadia | 1,408.39 mi (2,266.59 km) |
| Iisalmi to Radnevo | 1,470.24 mi (2,366.13 km) |
| Iisalmi to Radomir | 1,461.96 mi (2,352.79 km) |
| Iisalmi to Rakitovo | 1,496.47 mi (2,408.34 km) |
| Iisalmi to Rakovski | 1,472.88 mi (2,370.37 km) |
| Iisalmi to Razgrad | 1,384.43 mi (2,228.02 km) |
| Iisalmi to Razlog | 1,505.63 mi (2,423.07 km) |
| Iisalmi to Ruse | 1,365.02 mi (2,196.78 km) |
| Iisalmi to Samokov | 1,474.02 mi (2,372.20 km) |
| Iisalmi to Sandanski | 1,528.09 mi (2,459.22 km) |
| Iisalmi to Sevlievo | 1,421.65 mi (2,287.92 km) |
| Iisalmi to Shumen | 1,401.48 mi (2,255.47 km) |
| Iisalmi to Silistra | 1,343.83 mi (2,162.69 km) |
| Iisalmi to Sliven | 1,443.30 mi (2,322.77 km) |
