| Wallenhorst to Popovo | 1,044.01 mi (1,680.17 km) |
| Wallenhorst to Provadia | 1,096.33 mi (1,764.37 km) |
| Wallenhorst to Radnevo | 1,083.97 mi (1,744.48 km) |
| Wallenhorst to Radomir | 968.71 mi (1,558.99 km) |
| Wallenhorst to Rakitovo | 1,036.17 mi (1,667.55 km) |
| Wallenhorst to Rakovski | 1,050.57 mi (1,690.72 km) |
| Wallenhorst to Razgrad | 1,045.94 mi (1,683.28 km) |
| Wallenhorst to Razlog | 1,020.98 mi (1,643.11 km) |
| Wallenhorst to Ruse | 1,011.64 mi (1,628.08 km) |
| Wallenhorst to Samokov | 999.99 mi (1,609.33 km) |
| Wallenhorst to Sandanski | 1,031.87 mi (1,660.64 km) |
| Wallenhorst to Sevlievo | 1,019.00 mi (1,639.93 km) |
| Wallenhorst to Shumen | 1,073.03 mi (1,726.88 km) |
| Wallenhorst to Silistra | 1,047.58 mi (1,685.91 km) |
| Wallenhorst to Sliven | 1,079.50 mi (1,737.29 km) |
