| Ironton to Arcos de Valdevez | 3,799.60 mi (6,114.86 km) |
| Ironton to Arcozelo | 3,810.82 mi (6,132.91 km) |
| Ironton to Arganil | 3,862.39 mi (6,215.91 km) |
| Ironton to Arouca | 3,833.04 mi (6,168.68 km) |
| Ironton to Arruda dos Vinhos | 3,848.78 mi (6,194.01 km) |
| Ironton to Aveiro | 3,822.05 mi (6,150.99 km) |
| Ironton to Aver-o-Mar | 3,795.06 mi (6,107.56 km) |
| Ironton to Aves | 3,816.37 mi (6,141.85 km) |
| Ironton to Azambuja | 3,856.12 mi (6,205.82 km) |
| Ironton to Baiao | 3,836.62 mi (6,174.45 km) |
| Ironton to Barcelos | 3,799.22 mi (6,114.25 km) |
| Ironton to Barreiro | 3,857.96 mi (6,208.78 km) |
| Ironton to Batalha | 3,842.60 mi (6,184.06 km) |
| Ironton to Beja | 3,934.64 mi (6,332.19 km) |
| Ironton to Belas | 3,844.78 mi (6,187.57 km) |
