| Rio Linda to Popovo | 6,418.65 mi (10,329.81 km) |
| Rio Linda to Provadia | 6,453.96 mi (10,386.65 km) |
| Rio Linda to Radnevo | 6,478.11 mi (10,425.51 km) |
| Rio Linda to Radomir | 6,395.88 mi (10,293.17 km) |
| Rio Linda to Rakitovo | 6,456.87 mi (10,391.33 km) |
| Rio Linda to Rakovski | 6,457.70 mi (10,392.67 km) |
| Rio Linda to Razgrad | 6,413.05 mi (10,320.80 km) |
| Rio Linda to Razlog | 6,448.92 mi (10,378.53 km) |
| Rio Linda to Ruse | 6,383.11 mi (10,272.62 km) |
| Rio Linda to Samokov | 6,422.94 mi (10,336.73 km) |
| Rio Linda to Sandanski | 6,464.08 mi (10,402.93 km) |
| Rio Linda to Sevlievo | 6,415.00 mi (10,323.94 km) |
| Rio Linda to Shumen | 6,437.41 mi (10,360.00 km) |
| Rio Linda to Silistra | 6,391.47 mi (10,286.08 km) |
| Rio Linda to Sliven | 6,462.61 mi (10,400.57 km) |
