| Royan to Popovo | 1,347.06 mi (2,167.88 km) |
| Royan to Provadia | 1,408.22 mi (2,266.31 km) |
| Royan to Radnevo | 1,354.49 mi (2,179.84 km) |
| Royan to Radomir | 1,204.82 mi (1,938.97 km) |
| Royan to Rakitovo | 1,272.41 mi (2,047.74 km) |
| Royan to Rakovski | 1,307.99 mi (2,105.00 km) |
| Royan to Razgrad | 1,357.25 mi (2,184.28 km) |
| Royan to Razlog | 1,245.03 mi (2,003.67 km) |
| Royan to Ruse | 1,324.84 mi (2,132.12 km) |
| Royan to Samokov | 1,238.77 mi (1,993.61 km) |
| Royan to Sandanski | 1,243.85 mi (2,001.79 km) |
| Royan to Sevlievo | 1,299.38 mi (2,091.15 km) |
| Royan to Shumen | 1,382.12 mi (2,224.31 km) |
| Royan to Silistra | 1,382.62 mi (2,225.11 km) |
| Royan to Sliven | 1,365.42 mi (2,197.44 km) |
