| Montesilvano to Arcozelo | 1,174.83 mi (1,890.71 km) |
| Montesilvano to Arganil | 1,158.83 mi (1,864.96 km) |
| Montesilvano to Arouca | 1,156.60 mi (1,861.37 km) |
| Montesilvano to Arruda dos Vinhos | 1,235.35 mi (1,988.10 km) |
| Montesilvano to Aveiro | 1,182.01 mi (1,902.26 km) |
| Montesilvano to Aver-o-Mar | 1,176.44 mi (1,893.29 km) |
| Montesilvano to Aves | 1,152.12 mi (1,854.16 km) |
| Montesilvano to Azambuja | 1,223.33 mi (1,968.76 km) |
| Montesilvano to Baiao | 1,142.36 mi (1,838.46 km) |
| Montesilvano to Barcelos | 1,167.19 mi (1,878.40 km) |
| Montesilvano to Barreiro | 1,242.58 mi (1,999.74 km) |
| Montesilvano to Batalha | 1,207.65 mi (1,943.52 km) |
| Montesilvano to Beja | 1,198.21 mi (1,928.33 km) |
| Montesilvano to Belas | 1,250.47 mi (2,012.43 km) |
| Montesilvano to Benavente | 1,222.17 mi (1,966.89 km) |
