| Nieuwegein to Popovo | 1,145.83 mi (1,844.03 km) |
| Nieuwegein to Provadia | 1,200.16 mi (1,931.48 km) |
| Nieuwegein to Radnevo | 1,181.29 mi (1,901.10 km) |
| Nieuwegein to Radomir | 1,058.34 mi (1,703.23 km) |
| Nieuwegein to Rakitovo | 1,127.12 mi (1,813.93 km) |
| Nieuwegein to Rakovski | 1,145.27 mi (1,843.13 km) |
| Nieuwegein to Razgrad | 1,149.04 mi (1,849.20 km) |
| Nieuwegein to Razlog | 1,109.59 mi (1,785.72 km) |
| Nieuwegein to Ruse | 1,114.56 mi (1,793.70 km) |
| Nieuwegein to Samokov | 1,090.70 mi (1,755.32 km) |
| Nieuwegein to Sandanski | 1,118.64 mi (1,800.27 km) |
| Nieuwegein to Sevlievo | 1,116.89 mi (1,797.47 km) |
| Nieuwegein to Shumen | 1,176.16 mi (1,892.85 km) |
| Nieuwegein to Silistra | 1,154.22 mi (1,857.53 km) |
| Nieuwegein to Sliven | 1,179.17 mi (1,897.70 km) |
