| Porcia to Miedzyrzec Podlaski | 619.77 mi (997.42 km) |
| Porcia to Miedzyrzecz | 467.39 mi (752.19 km) |
| Porcia to Mielec | 503.73 mi (810.68 km) |
| Porcia to Mikolow | 410.07 mi (659.94 km) |
| Porcia to Milanowek | 560.54 mi (902.10 km) |
| Porcia to Milicz | 439.24 mi (706.90 km) |
| Porcia to Minsk Mazowiecki | 589.57 mi (948.82 km) |
| Porcia to Mlawa | 603.22 mi (970.79 km) |
| Porcia to Mogilno | 520.19 mi (837.17 km) |
| Porcia to Monki | 685.47 mi (1,103.16 km) |
| Porcia to Morag | 637.65 mi (1,026.19 km) |
| Porcia to Mosina | 473.98 mi (762.80 km) |
| Porcia to Mragowo | 667.66 mi (1,074.49 km) |
| Porcia to Murowana Goslina | 497.07 mi (799.95 km) |
| Porcia to Myslenice | 431.48 mi (694.40 km) |
