| Neder-Over-Heembeek to Provadia | 1,202.36 mi (1,935.02 km) |
| Neder-Over-Heembeek to Radnevo | 1,176.69 mi (1,893.70 km) |
| Neder-Over-Heembeek to Radomir | 1,047.17 mi (1,685.26 km) |
| Neder-Over-Heembeek to Rakitovo | 1,116.73 mi (1,797.20 km) |
| Neder-Over-Heembeek to Rakovski | 1,138.29 mi (1,831.89 km) |
| Neder-Over-Heembeek to Razgrad | 1,150.68 mi (1,851.85 km) |
| Neder-Over-Heembeek to Razlog | 1,097.18 mi (1,765.74 km) |
| Neder-Over-Heembeek to Ruse | 1,116.17 mi (1,796.31 km) |
| Neder-Over-Heembeek to Samokov | 1,080.30 mi (1,738.58 km) |
| Neder-Over-Heembeek to Sandanski | 1,104.53 mi (1,777.57 km) |
| Neder-Over-Heembeek to Sevlievo | 1,113.22 mi (1,791.56 km) |
| Neder-Over-Heembeek to Shumen | 1,177.69 mi (1,895.30 km) |
| Neder-Over-Heembeek to Silistra | 1,159.86 mi (1,866.62 km) |
| Neder-Over-Heembeek to Sliven | 1,176.99 mi (1,894.18 km) |
| Neder-Over-Heembeek to Smolyan | 1,158.83 mi (1,864.96 km) |
