| Alcacer do Sal to Popovo | 1,834.22 mi (2,951.90 km) |
| Alcacer do Sal to Provadia | 1,894.92 mi (3,049.57 km) |
| Alcacer do Sal to Radnevo | 1,821.74 mi (2,931.80 km) |
| Alcacer do Sal to Radomir | 1,669.10 mi (2,686.16 km) |
| Alcacer do Sal to Rakitovo | 1,728.18 mi (2,781.23 km) |
| Alcacer do Sal to Rakovski | 1,772.38 mi (2,852.36 km) |
| Alcacer do Sal to Razgrad | 1,848.20 mi (2,974.39 km) |
| Alcacer do Sal to Razlog | 1,696.83 mi (2,730.78 km) |
| Alcacer do Sal to Ruse | 1,819.89 mi (2,928.83 km) |
| Alcacer do Sal to Samokov | 1,700.26 mi (2,736.30 km) |
| Alcacer do Sal to Sandanski | 1,688.40 mi (2,717.21 km) |
| Alcacer do Sal to Sevlievo | 1,778.26 mi (2,861.83 km) |
| Alcacer do Sal to Shumen | 1,869.52 mi (3,008.70 km) |
| Alcacer do Sal to Silistra | 1,884.80 mi (3,033.29 km) |
| Alcacer do Sal to Sliven | 1,840.78 mi (2,962.45 km) |
