| Boerne to Mangualde | 4,961.62 mi (7,984.96 km) |
| Boerne to Marco de Canavezes | 4,926.88 mi (7,929.05 km) |
| Boerne to Marinha Grande | 4,928.86 mi (7,932.23 km) |
| Boerne to Massama | 4,939.72 mi (7,949.71 km) |
| Boerne to Matosinhos | 4,900.65 mi (7,886.83 km) |
| Boerne to Mealhada | 4,934.69 mi (7,941.62 km) |
| Boerne to Melgaco | 4,895.69 mi (7,878.85 km) |
| Boerne to Melres | 4,918.18 mi (7,915.04 km) |
| Boerne to Mira | 4,919.65 mi (7,917.42 km) |
| Boerne to Miranda do Corvo | 4,948.22 mi (7,963.39 km) |
| Boerne to Mirandela | 4,964.39 mi (7,989.41 km) |
| Boerne to Mogadouro | 4,990.67 mi (8,031.71 km) |
| Boerne to Moimenta da Beira | 4,958.12 mi (7,979.32 km) |
| Boerne to Moita | 4,957.08 mi (7,977.64 km) |
| Boerne to Moncao | 4,886.82 mi (7,864.58 km) |
