| Wilhelmshaven to Popovo | 1,083.07 mi (1,743.04 km) |
| Wilhelmshaven to Provadia | 1,133.11 mi (1,823.56 km) |
| Wilhelmshaven to Radnevo | 1,127.05 mi (1,813.81 km) |
| Wilhelmshaven to Radomir | 1,018.54 mi (1,639.19 km) |
| Wilhelmshaven to Rakitovo | 1,084.68 mi (1,745.63 km) |
| Wilhelmshaven to Rakovski | 1,096.03 mi (1,763.90 km) |
| Wilhelmshaven to Razgrad | 1,083.70 mi (1,744.05 km) |
| Wilhelmshaven to Razlog | 1,071.31 mi (1,724.10 km) |
| Wilhelmshaven to Ruse | 1,049.76 mi (1,689.43 km) |
| Wilhelmshaven to Samokov | 1,048.86 mi (1,687.98 km) |
| Wilhelmshaven to Sandanski | 1,083.47 mi (1,743.68 km) |
| Wilhelmshaven to Sevlievo | 1,061.87 mi (1,708.92 km) |
| Wilhelmshaven to Shumen | 1,110.65 mi (1,787.42 km) |
| Wilhelmshaven to Silistra | 1,081.53 mi (1,740.55 km) |
| Wilhelmshaven to Sliven | 1,120.47 mi (1,803.22 km) |
