| Alenquer to Popovo | 1,842.43 mi (2,965.11 km) |
| Alenquer to Provadia | 1,903.39 mi (3,063.21 km) |
| Alenquer to Radnevo | 1,832.16 mi (2,948.57 km) |
| Alenquer to Radomir | 1,679.21 mi (2,702.43 km) |
| Alenquer to Rakitovo | 1,739.46 mi (2,799.39 km) |
| Alenquer to Rakovski | 1,782.92 mi (2,869.33 km) |
| Alenquer to Razgrad | 1,856.01 mi (2,986.96 km) |
| Alenquer to Razlog | 1,708.39 mi (2,749.39 km) |
| Alenquer to Ruse | 1,827.12 mi (2,940.47 km) |
| Alenquer to Samokov | 1,710.81 mi (2,753.28 km) |
| Alenquer to Sandanski | 1,700.67 mi (2,736.97 km) |
| Alenquer to Sevlievo | 1,787.21 mi (2,876.24 km) |
| Alenquer to Shumen | 1,877.82 mi (3,022.07 km) |
| Alenquer to Silistra | 1,891.38 mi (3,043.89 km) |
| Alenquer to Sliven | 1,850.37 mi (2,977.88 km) |
