| Karnobat to Marco de Canavezes | 1,796.33 mi (2,890.91 km) |
| Karnobat to Marinha Grande | 1,863.92 mi (2,999.69 km) |
| Karnobat to Massama | 1,903.42 mi (3,063.25 km) |
| Karnobat to Matosinhos | 1,823.94 mi (2,935.35 km) |
| Karnobat to Mealhada | 1,826.51 mi (2,939.48 km) |
| Karnobat to Melgaco | 1,786.46 mi (2,875.03 km) |
| Karnobat to Melres | 1,810.99 mi (2,914.51 km) |
| Karnobat to Mira | 1,839.80 mi (2,960.87 km) |
| Karnobat to Miranda do Corvo | 1,826.31 mi (2,939.17 km) |
| Karnobat to Mirandela | 1,742.46 mi (2,804.21 km) |
| Karnobat to Mogadouro | 1,721.68 mi (2,770.78 km) |
| Karnobat to Moimenta da Beira | 1,773.04 mi (2,853.43 km) |
| Karnobat to Moita | 1,891.15 mi (3,043.51 km) |
| Karnobat to Moncao | 1,797.79 mi (2,893.26 km) |
| Karnobat to Montalegre | 1,767.43 mi (2,844.40 km) |
