| Ilmenau to Arcozelo | 1,146.65 mi (1,845.35 km) |
| Ilmenau to Arganil | 1,164.08 mi (1,873.40 km) |
| Ilmenau to Arouca | 1,137.12 mi (1,830.02 km) |
| Ilmenau to Arruda dos Vinhos | 1,262.72 mi (2,032.15 km) |
| Ilmenau to Aveiro | 1,166.78 mi (1,877.75 km) |
| Ilmenau to Aver-o-Mar | 1,135.72 mi (1,827.77 km) |
| Ilmenau to Aves | 1,115.80 mi (1,795.71 km) |
| Ilmenau to Azambuja | 1,251.14 mi (2,013.51 km) |
| Ilmenau to Baiao | 1,118.11 mi (1,799.43 km) |
| Ilmenau to Barcelos | 1,124.66 mi (1,809.96 km) |
| Ilmenau to Barreiro | 1,278.63 mi (2,057.75 km) |
| Ilmenau to Batalha | 1,219.77 mi (1,963.04 km) |
| Ilmenau to Beja | 1,268.62 mi (2,041.64 km) |
| Ilmenau to Belas | 1,280.72 mi (2,061.12 km) |
| Ilmenau to Benavente | 1,253.69 mi (2,017.61 km) |
