| Madrid to Popovo | 1,544.81 mi (2,486.13 km) |
| Madrid to Provadia | 1,605.75 mi (2,584.20 km) |
| Madrid to Radnevo | 1,534.69 mi (2,469.84 km) |
| Madrid to Radomir | 1,381.70 mi (2,223.63 km) |
| Madrid to Rakitovo | 1,442.24 mi (2,321.05 km) |
| Madrid to Rakovski | 1,485.48 mi (2,390.65 km) |
| Madrid to Razgrad | 1,558.42 mi (2,508.04 km) |
| Madrid to Razlog | 1,411.27 mi (2,271.22 km) |
| Madrid to Ruse | 1,529.62 mi (2,461.68 km) |
| Madrid to Samokov | 1,413.38 mi (2,274.62 km) |
| Madrid to Sandanski | 1,403.85 mi (2,259.28 km) |
| Madrid to Sevlievo | 1,489.57 mi (2,397.24 km) |
| Madrid to Shumen | 1,580.19 mi (2,543.07 km) |
| Madrid to Silistra | 1,594.03 mi (2,565.34 km) |
| Madrid to Sliven | 1,552.77 mi (2,498.94 km) |
