| Illingen to Marco de Canavezes | 928.08 mi (1,493.59 km) |
| Illingen to Marinha Grande | 1,026.63 mi (1,652.20 km) |
| Illingen to Massama | 1,089.07 mi (1,752.70 km) |
| Illingen to Matosinhos | 949.23 mi (1,527.64 km) |
| Illingen to Mealhada | 977.59 mi (1,573.28 km) |
| Illingen to Melgaco | 890.20 mi (1,432.64 km) |
| Illingen to Melres | 943.10 mi (1,517.78 km) |
| Illingen to Mira | 985.84 mi (1,586.55 km) |
| Illingen to Miranda do Corvo | 987.11 mi (1,588.60 km) |
| Illingen to Mirandela | 877.09 mi (1,411.54 km) |
| Illingen to Mogadouro | 867.00 mi (1,395.30 km) |
| Illingen to Moimenta da Beira | 917.45 mi (1,476.49 km) |
| Illingen to Moita | 1,084.03 mi (1,744.58 km) |
| Illingen to Moncao | 900.55 mi (1,449.30 km) |
| Illingen to Montalegre | 884.74 mi (1,423.85 km) |
