| Formia to Arcozelo | 1,154.63 mi (1,858.20 km) |
| Formia to Arganil | 1,133.80 mi (1,824.67 km) |
| Formia to Arouca | 1,135.47 mi (1,827.36 km) |
| Formia to Arruda dos Vinhos | 1,205.24 mi (1,939.65 km) |
| Formia to Aveiro | 1,159.63 mi (1,866.24 km) |
| Formia to Aver-o-Mar | 1,158.14 mi (1,863.85 km) |
| Formia to Aves | 1,133.72 mi (1,824.55 km) |
| Formia to Azambuja | 1,193.40 mi (1,920.59 km) |
| Formia to Baiao | 1,122.32 mi (1,806.20 km) |
| Formia to Barcelos | 1,149.39 mi (1,849.77 km) |
| Formia to Barreiro | 1,211.00 mi (1,948.91 km) |
| Formia to Batalha | 1,180.46 mi (1,899.77 km) |
| Formia to Beja | 1,162.23 mi (1,870.43 km) |
| Formia to Belas | 1,219.62 mi (1,962.79 km) |
| Formia to Benavente | 1,191.68 mi (1,917.83 km) |
