| Royan to Devnya | 1,413.99 mi (2,275.60 km) |
| Royan to Dimitrovgrad | 1,344.10 mi (2,163.13 km) |
| Royan to Dobrich | 1,420.06 mi (2,285.37 km) |
| Royan to Dospat | 1,284.46 mi (2,067.14 km) |
| Royan to Dupnitsa | 1,219.30 mi (1,962.28 km) |
| Royan to Elhovo | 1,388.12 mi (2,233.97 km) |
| Royan to Etropole | 1,249.53 mi (2,010.92 km) |
| Royan to Gabrovo | 1,313.26 mi (2,113.48 km) |
| Royan to Gorna Oryahovitsa | 1,325.56 mi (2,133.28 km) |
| Royan to Gotse Delchev | 1,265.63 mi (2,036.83 km) |
| Royan to Harmanli | 1,361.33 mi (2,190.85 km) |
| Royan to Haskovo | 1,345.23 mi (2,164.94 km) |
| Royan to Ihtiman | 1,249.14 mi (2,010.30 km) |
| Royan to Isperih | 1,369.12 mi (2,203.38 km) |
| Royan to Kardzhali | 1,342.38 mi (2,160.35 km) |
