| Triangle to Popovo | 5,034.97 mi (8,103.00 km) |
| Triangle to Provadia | 5,089.81 mi (8,191.25 km) |
| Triangle to Radnevo | 5,066.88 mi (8,154.35 km) |
| Triangle to Radomir | 4,934.36 mi (7,941.09 km) |
| Triangle to Rakitovo | 5,004.25 mi (8,053.56 km) |
| Triangle to Rakovski | 5,027.92 mi (8,091.66 km) |
| Triangle to Razgrad | 5,038.59 mi (8,108.82 km) |
| Triangle to Razlog | 4,982.81 mi (8,019.05 km) |
| Triangle to Ruse | 5,004.08 mi (8,053.29 km) |
| Triangle to Samokov | 4,967.99 mi (7,995.21 km) |
| Triangle to Sandanski | 4,987.98 mi (8,027.38 km) |
| Triangle to Sevlievo | 5,003.41 mi (8,052.22 km) |
| Triangle to Shumen | 5,065.69 mi (8,152.44 km) |
| Triangle to Silistra | 5,043.41 mi (8,116.59 km) |
| Triangle to Sliven | 5,066.96 mi (8,154.48 km) |
