| Royken to Popovo | 1,312.52 mi (2,112.29 km) |
| Royken to Provadia | 1,348.96 mi (2,170.94 km) |
| Royken to Radnevo | 1,372.50 mi (2,208.83 km) |
| Royken to Radomir | 1,300.39 mi (2,092.78 km) |
| Royken to Rakitovo | 1,357.20 mi (2,184.20 km) |
| Royken to Rakovski | 1,354.10 mi (2,179.22 km) |
| Royken to Razgrad | 1,307.12 mi (2,103.61 km) |
| Royken to Razlog | 1,352.70 mi (2,176.95 km) |
| Royken to Ruse | 1,276.98 mi (2,055.11 km) |
| Royken to Samokov | 1,324.82 mi (2,132.09 km) |
| Royken to Sandanski | 1,370.03 mi (2,204.85 km) |
| Royken to Sevlievo | 1,309.99 mi (2,108.23 km) |
| Royken to Shumen | 1,331.74 mi (2,143.22 km) |
| Royken to Silistra | 1,287.42 mi (2,071.91 km) |
| Royken to Sliven | 1,356.50 mi (2,183.08 km) |
