| Nieuwpoort to Provadia | 1,274.69 mi (2,051.41 km) |
| Nieuwpoort to Radnevo | 1,248.34 mi (2,009.01 km) |
| Nieuwpoort to Radomir | 1,117.81 mi (1,798.94 km) |
| Nieuwpoort to Rakitovo | 1,187.47 mi (1,911.04 km) |
| Nieuwpoort to Rakovski | 1,209.60 mi (1,946.67 km) |
| Nieuwpoort to Razgrad | 1,222.98 mi (1,968.20 km) |
| Nieuwpoort to Razlog | 1,167.53 mi (1,878.96 km) |
| Nieuwpoort to Ruse | 1,188.48 mi (1,912.67 km) |
| Nieuwpoort to Samokov | 1,151.06 mi (1,852.46 km) |
| Nieuwpoort to Sandanski | 1,174.51 mi (1,890.19 km) |
| Nieuwpoort to Sevlievo | 1,185.02 mi (1,907.10 km) |
| Nieuwpoort to Shumen | 1,249.97 mi (2,011.63 km) |
| Nieuwpoort to Silistra | 1,232.37 mi (1,983.31 km) |
| Nieuwpoort to Sliven | 1,248.93 mi (2,009.96 km) |
| Nieuwpoort to Smolyan | 1,229.56 mi (1,978.79 km) |
