| Issoudun to Popovo | 1,201.94 mi (1,934.33 km) |
| Issoudun to Provadia | 1,262.51 mi (2,031.82 km) |
| Issoudun to Radnevo | 1,214.96 mi (1,955.28 km) |
| Issoudun to Radomir | 1,068.60 mi (1,719.75 km) |
| Issoudun to Rakitovo | 1,137.55 mi (1,830.70 km) |
| Issoudun to Rakovski | 1,169.98 mi (1,882.89 km) |
| Issoudun to Razgrad | 1,210.94 mi (1,948.82 km) |
| Issoudun to Razlog | 1,111.86 mi (1,789.37 km) |
| Issoudun to Ruse | 1,177.77 mi (1,895.43 km) |
| Issoudun to Samokov | 1,102.78 mi (1,774.76 km) |
| Issoudun to Sandanski | 1,112.93 mi (1,791.09 km) |
| Issoudun to Sevlievo | 1,157.26 mi (1,862.43 km) |
| Issoudun to Shumen | 1,236.52 mi (1,989.99 km) |
| Issoudun to Silistra | 1,232.95 mi (1,984.24 km) |
| Issoudun to Sliven | 1,223.41 mi (1,968.89 km) |
