| Barreiro to Popovo | 1,854.48 mi (2,984.50 km) |
| Barreiro to Provadia | 1,915.33 mi (3,082.42 km) |
| Barreiro to Radnevo | 1,843.21 mi (2,966.36 km) |
| Barreiro to Radomir | 1,690.39 mi (2,720.42 km) |
| Barreiro to Rakitovo | 1,750.11 mi (2,816.53 km) |
| Barreiro to Rakovski | 1,793.91 mi (2,887.02 km) |
| Barreiro to Razgrad | 1,868.23 mi (3,006.63 km) |
| Barreiro to Razlog | 1,718.91 mi (2,766.32 km) |
| Barreiro to Ruse | 1,839.60 mi (2,960.54 km) |
| Barreiro to Samokov | 1,721.79 mi (2,770.95 km) |
| Barreiro to Sandanski | 1,710.86 mi (2,753.36 km) |
| Barreiro to Sevlievo | 1,798.92 mi (2,895.09 km) |
| Barreiro to Shumen | 1,889.83 mi (3,041.39 km) |
| Barreiro to Silistra | 1,904.15 mi (3,064.43 km) |
| Barreiro to Sliven | 1,861.80 mi (2,996.28 km) |
