| Wondelgem to Provadia | 1,234.06 mi (1,986.03 km) |
| Wondelgem to Radnevo | 1,208.60 mi (1,945.05 km) |
| Wondelgem to Radomir | 1,079.09 mi (1,736.62 km) |
| Wondelgem to Rakitovo | 1,148.65 mi (1,848.57 km) |
| Wondelgem to Rakovski | 1,170.22 mi (1,883.28 km) |
| Wondelgem to Razgrad | 1,182.40 mi (1,902.89 km) |
| Wondelgem to Razlog | 1,129.08 mi (1,817.07 km) |
| Wondelgem to Ruse | 1,147.89 mi (1,847.35 km) |
| Wondelgem to Samokov | 1,112.23 mi (1,789.95 km) |
| Wondelgem to Sandanski | 1,136.39 mi (1,828.84 km) |
| Wondelgem to Sevlievo | 1,145.11 mi (1,842.88 km) |
| Wondelgem to Shumen | 1,209.41 mi (1,946.36 km) |
| Wondelgem to Silistra | 1,191.37 mi (1,917.32 km) |
| Wondelgem to Sliven | 1,208.84 mi (1,945.44 km) |
| Wondelgem to Smolyan | 1,190.76 mi (1,916.34 km) |
