| Zelzate to Provadia | 1,232.04 mi (1,982.78 km) |
| Zelzate to Radnevo | 1,207.27 mi (1,942.91 km) |
| Zelzate to Radomir | 1,078.40 mi (1,735.52 km) |
| Zelzate to Rakitovo | 1,147.90 mi (1,847.37 km) |
| Zelzate to Rakovski | 1,169.12 mi (1,881.52 km) |
| Zelzate to Razgrad | 1,180.43 mi (1,899.72 km) |
| Zelzate to Razlog | 1,128.54 mi (1,816.20 km) |
| Zelzate to Ruse | 1,145.91 mi (1,844.17 km) |
| Zelzate to Samokov | 1,111.47 mi (1,788.74 km) |
| Zelzate to Sandanski | 1,136.03 mi (1,828.26 km) |
| Zelzate to Sevlievo | 1,143.67 mi (1,840.56 km) |
| Zelzate to Shumen | 1,207.46 mi (1,943.22 km) |
| Zelzate to Silistra | 1,189.00 mi (1,913.51 km) |
| Zelzate to Sliven | 1,207.26 mi (1,942.91 km) |
| Zelzate to Smolyan | 1,190.01 mi (1,915.14 km) |
