| Karczew to Marco de Canavezes | 1,569.87 mi (2,526.46 km) |
| Karczew to Marinha Grande | 1,664.85 mi (2,679.31 km) |
| Karczew to Massama | 1,724.04 mi (2,774.57 km) |
| Karczew to Matosinhos | 1,592.25 mi (2,562.47 km) |
| Karczew to Mealhada | 1,617.03 mi (2,602.35 km) |
| Karczew to Melgaco | 1,535.17 mi (2,470.61 km) |
| Karczew to Melres | 1,585.06 mi (2,550.91 km) |
| Karczew to Mira | 1,626.26 mi (2,617.21 km) |
| Karczew to Miranda do Corvo | 1,624.97 mi (2,615.14 km) |
| Karczew to Mirandela | 1,517.59 mi (2,442.32 km) |
| Karczew to Mogadouro | 1,505.39 mi (2,422.69 km) |
| Karczew to Moimenta da Beira | 1,556.99 mi (2,505.74 km) |
| Karczew to Moita | 1,717.42 mi (2,763.92 km) |
| Karczew to Moncao | 1,545.72 mi (2,487.59 km) |
| Karczew to Montalegre | 1,527.99 mi (2,459.07 km) |
