| Grootegast to Popovo | 1,136.41 mi (1,828.88 km) |
| Grootegast to Provadia | 1,188.18 mi (1,912.19 km) |
| Grootegast to Radnevo | 1,177.19 mi (1,894.51 km) |
| Grootegast to Radomir | 1,062.64 mi (1,710.16 km) |
| Grootegast to Rakitovo | 1,130.04 mi (1,818.62 km) |
| Grootegast to Rakovski | 1,144.14 mi (1,841.31 km) |
| Grootegast to Razgrad | 1,138.02 mi (1,831.47 km) |
| Grootegast to Razlog | 1,114.94 mi (1,794.32 km) |
| Grootegast to Ruse | 1,103.80 mi (1,776.40 km) |
| Grootegast to Samokov | 1,093.88 mi (1,760.43 km) |
| Grootegast to Sandanski | 1,125.85 mi (1,811.89 km) |
| Grootegast to Sevlievo | 1,112.17 mi (1,789.87 km) |
| Grootegast to Shumen | 1,165.09 mi (1,875.04 km) |
| Grootegast to Silistra | 1,138.59 mi (1,832.38 km) |
| Grootegast to Sliven | 1,172.33 mi (1,886.69 km) |
