| Zuidhorn to Popovo | 1,133.30 mi (1,823.87 km) |
| Zuidhorn to Provadia | 1,184.94 mi (1,906.98 km) |
| Zuidhorn to Radnevo | 1,174.33 mi (1,889.89 km) |
| Zuidhorn to Radomir | 1,060.20 mi (1,706.23 km) |
| Zuidhorn to Rakitovo | 1,127.51 mi (1,814.56 km) |
| Zuidhorn to Rakovski | 1,141.42 mi (1,836.93 km) |
| Zuidhorn to Razgrad | 1,134.84 mi (1,826.35 km) |
| Zuidhorn to Razlog | 1,112.54 mi (1,790.46 km) |
| Zuidhorn to Ruse | 1,100.64 mi (1,771.30 km) |
| Zuidhorn to Samokov | 1,091.38 mi (1,756.40 km) |
| Zuidhorn to Sandanski | 1,123.55 mi (1,808.17 km) |
| Zuidhorn to Sevlievo | 1,109.29 mi (1,785.22 km) |
| Zuidhorn to Shumen | 1,161.90 mi (1,869.90 km) |
| Zuidhorn to Silistra | 1,135.20 mi (1,826.93 km) |
| Zuidhorn to Sliven | 1,169.34 mi (1,881.87 km) |
