| Frederikssund to Popovo | 1,066.36 mi (1,716.15 km) |
| Frederikssund to Provadia | 1,108.01 mi (1,783.17 km) |
| Frederikssund to Radnevo | 1,121.66 mi (1,805.13 km) |
| Frederikssund to Radomir | 1,038.26 mi (1,670.91 km) |
| Frederikssund to Rakitovo | 1,098.05 mi (1,767.15 km) |
| Frederikssund to Rakovski | 1,099.14 mi (1,768.89 km) |
| Frederikssund to Razgrad | 1,062.99 mi (1,710.72 km) |
| Frederikssund to Razlog | 1,091.10 mi (1,755.96 km) |
| Frederikssund to Ruse | 1,031.17 mi (1,659.51 km) |
| Frederikssund to Samokov | 1,064.45 mi (1,713.07 km) |
| Frederikssund to Sandanski | 1,107.22 mi (1,781.90 km) |
| Frederikssund to Sevlievo | 1,057.67 mi (1,702.15 km) |
| Frederikssund to Shumen | 1,088.71 mi (1,752.12 km) |
| Frederikssund to Silistra | 1,049.38 mi (1,688.81 km) |
| Frederikssund to Sliven | 1,108.59 mi (1,784.11 km) |
