| Utrecht to Popovo | 1,145.89 mi (1,844.13 km) |
| Utrecht to Provadia | 1,200.13 mi (1,931.43 km) |
| Utrecht to Radnevo | 1,181.56 mi (1,901.54 km) |
| Utrecht to Radomir | 1,058.92 mi (1,704.17 km) |
| Utrecht to Rakitovo | 1,127.66 mi (1,814.80 km) |
| Utrecht to Rakovski | 1,145.65 mi (1,843.75 km) |
| Utrecht to Razgrad | 1,149.04 mi (1,849.21 km) |
| Utrecht to Razlog | 1,110.22 mi (1,786.73 km) |
| Utrecht to Ruse | 1,114.56 mi (1,793.71 km) |
| Utrecht to Samokov | 1,091.25 mi (1,756.19 km) |
| Utrecht to Sandanski | 1,119.34 mi (1,801.40 km) |
| Utrecht to Sevlievo | 1,117.14 mi (1,797.86 km) |
| Utrecht to Shumen | 1,176.16 mi (1,892.85 km) |
| Utrecht to Silistra | 1,154.04 mi (1,857.24 km) |
| Utrecht to Sliven | 1,179.34 mi (1,897.97 km) |
