| Isla-Cristina to Popovo | 1,806.09 mi (2,906.63 km) |
| Isla-Cristina to Provadia | 1,866.15 mi (3,003.28 km) |
| Isla-Cristina to Radnevo | 1,789.48 mi (2,879.88 km) |
| Isla-Cristina to Radomir | 1,637.83 mi (2,635.83 km) |
| Isla-Cristina to Rakitovo | 1,694.53 mi (2,727.08 km) |
| Isla-Cristina to Rakovski | 1,740.01 mi (2,800.27 km) |
| Isla-Cristina to Razgrad | 1,820.78 mi (2,930.26 km) |
| Isla-Cristina to Razlog | 1,662.74 mi (2,675.92 km) |
| Isla-Cristina to Ruse | 1,793.65 mi (2,886.60 km) |
| Isla-Cristina to Samokov | 1,668.06 mi (2,684.49 km) |
| Isla-Cristina to Sandanski | 1,652.98 mi (2,660.22 km) |
| Isla-Cristina to Sevlievo | 1,748.86 mi (2,814.52 km) |
| Isla-Cristina to Shumen | 1,841.12 mi (2,963.00 km) |
| Isla-Cristina to Silistra | 1,859.62 mi (2,992.77 km) |
| Isla-Cristina to Sliven | 1,810.04 mi (2,912.98 km) |
