| Portimao to Minervino Murge | 1,343.19 mi (2,161.65 km) |
| Portimao to Minturno | 1,223.30 mi (1,968.71 km) |
| Portimao to Mira | 1,211.83 mi (1,950.24 km) |
| Portimao to Mirandola | 1,149.69 mi (1,850.25 km) |
| Portimao to Mirano | 1,211.89 mi (1,950.35 km) |
| Portimao to Misano Adriatico | 1,206.27 mi (1,941.31 km) |
| Portimao to Misilmeri | 1,202.71 mi (1,935.58 km) |
| Portimao to Missaglia | 1,095.04 mi (1,762.29 km) |
| Portimao to Misterbianco | 1,290.50 mi (2,076.85 km) |
| Portimao to Modena | 1,137.37 mi (1,830.42 km) |
| Portimao to Modica | 1,282.54 mi (2,064.05 km) |
| Portimao to Modugno | 1,379.51 mi (2,220.10 km) |
| Portimao to Mogliano Veneto | 1,219.59 mi (1,962.74 km) |
| Portimao to Molfetta | 1,370.46 mi (2,205.54 km) |
| Portimao to Molinella | 1,170.98 mi (1,884.50 km) |
