| s-Gravendeel to Popovo | 1,157.62 mi (1,863.02 km) |
| s-Gravendeel to Provadia | 1,212.53 mi (1,951.37 km) |
| s-Gravendeel to Radnevo | 1,191.73 mi (1,917.90 km) |
| s-Gravendeel to Radomir | 1,066.78 mi (1,716.82 km) |
| s-Gravendeel to Rakitovo | 1,135.84 mi (1,827.96 km) |
| s-Gravendeel to Rakovski | 1,155.00 mi (1,858.79 km) |
| s-Gravendeel to Razgrad | 1,161.22 mi (1,868.81 km) |
| s-Gravendeel to Razlog | 1,117.70 mi (1,798.76 km) |
| s-Gravendeel to Ruse | 1,126.71 mi (1,813.27 km) |
| s-Gravendeel to Samokov | 1,099.39 mi (1,769.30 km) |
| s-Gravendeel to Sandanski | 1,126.24 mi (1,812.50 km) |
| s-Gravendeel to Sevlievo | 1,127.56 mi (1,814.63 km) |
| s-Gravendeel to Shumen | 1,188.32 mi (1,912.42 km) |
| s-Gravendeel to Silistra | 1,167.50 mi (1,878.91 km) |
| s-Gravendeel to Sliven | 1,190.30 mi (1,915.60 km) |
