| Illingen to Montemor-o-Novo | 1,056.83 mi (1,700.80 km) |
| Illingen to Montemor-o-Velho | 996.86 mi (1,604.29 km) |
| Illingen to Montijo | 1,079.33 mi (1,737.01 km) |
| Illingen to Mortagua | 967.06 mi (1,556.33 km) |
| Illingen to Moura | 1,058.13 mi (1,702.89 km) |
| Illingen to Murtosa | 967.73 mi (1,557.40 km) |
| Illingen to Nazare | 1,039.00 mi (1,672.12 km) |
| Illingen to Nelas | 948.73 mi (1,526.84 km) |
| Illingen to Obidos | 1,054.41 mi (1,696.91 km) |
| Illingen to Odemira | 1,128.03 mi (1,815.39 km) |
| Illingen to Odivelas | 1,083.91 mi (1,744.39 km) |
| Illingen to Oeiras | 1,094.35 mi (1,761.19 km) |
| Illingen to Olhao | 1,131.99 mi (1,821.76 km) |
| Illingen to Oliveira de Azemeis | 956.64 mi (1,539.57 km) |
| Illingen to Oliveira de Frades | 951.48 mi (1,531.26 km) |
