| Srem to Arcozelo | 1,425.76 mi (2,294.54 km) |
| Srem to Arganil | 1,441.68 mi (2,320.16 km) |
| Srem to Arouca | 1,415.83 mi (2,278.56 km) |
| Srem to Arruda dos Vinhos | 1,539.64 mi (2,477.82 km) |
| Srem to Aveiro | 1,445.46 mi (2,326.25 km) |
| Srem to Aver-o-Mar | 1,415.20 mi (2,277.55 km) |
| Srem to Aves | 1,395.06 mi (2,245.14 km) |
| Srem to Azambuja | 1,527.95 mi (2,459.00 km) |
| Srem to Baiao | 1,396.92 mi (2,248.13 km) |
| Srem to Barcelos | 1,404.15 mi (2,259.76 km) |
| Srem to Barreiro | 1,555.07 mi (2,502.64 km) |
| Srem to Batalha | 1,497.36 mi (2,409.77 km) |
| Srem to Beja | 1,542.12 mi (2,481.80 km) |
| Srem to Belas | 1,557.58 mi (2,506.68 km) |
| Srem to Benavente | 1,530.26 mi (2,462.72 km) |
