| Markham to Montalegre | 3,957.98 mi (6,369.76 km) |
| Markham to Montemor-o-Novo | 4,047.27 mi (6,513.45 km) |
| Markham to Montemor-o-Velho | 3,973.29 mi (6,394.39 km) |
| Markham to Montijo | 4,014.30 mi (6,460.39 km) |
| Markham to Mortagua | 3,984.85 mi (6,412.99 km) |
| Markham to Moura | 4,101.21 mi (6,600.26 km) |
| Markham to Murtosa | 3,956.39 mi (6,367.19 km) |
| Markham to Nazare | 3,974.94 mi (6,397.05 km) |
| Markham to Nelas | 3,999.52 mi (6,436.60 km) |
| Markham to Obidos | 3,979.01 mi (6,403.59 km) |
| Markham to Odemira | 4,065.44 mi (6,542.69 km) |
| Markham to Odivelas | 3,997.55 mi (6,433.44 km) |
| Markham to Oeiras | 3,994.87 mi (6,429.12 km) |
| Markham to Olhao | 4,122.63 mi (6,634.73 km) |
| Markham to Oliveira de Azemeis | 3,960.02 mi (6,373.04 km) |
