| Zwolle to Popovo | 1,120.79 mi (1,803.74 km) |
| Zwolle to Provadia | 1,173.87 mi (1,889.16 km) |
| Zwolle to Radnevo | 1,159.03 mi (1,865.27 km) |
| Zwolle to Radomir | 1,040.43 mi (1,674.41 km) |
| Zwolle to Rakitovo | 1,108.53 mi (1,784.01 km) |
| Zwolle to Rakovski | 1,124.53 mi (1,809.76 km) |
| Zwolle to Razgrad | 1,123.19 mi (1,807.61 km) |
| Zwolle to Razlog | 1,092.30 mi (1,757.89 km) |
| Zwolle to Ruse | 1,088.81 mi (1,752.27 km) |
| Zwolle to Samokov | 1,072.22 mi (1,725.57 km) |
| Zwolle to Sandanski | 1,102.37 mi (1,774.10 km) |
| Zwolle to Sevlievo | 1,094.25 mi (1,761.02 km) |
| Zwolle to Shumen | 1,150.31 mi (1,851.25 km) |
| Zwolle to Silistra | 1,126.07 mi (1,812.23 km) |
| Zwolle to Sliven | 1,155.49 mi (1,859.57 km) |
