| Barcelona to Minervino Murge | 721.98 mi (1,161.92 km) |
| Barcelona to Minturno | 600.11 mi (965.78 km) |
| Barcelona to Mira | 572.31 mi (921.04 km) |
| Barcelona to Mirandola | 509.02 mi (819.19 km) |
| Barcelona to Mirano | 572.77 mi (921.79 km) |
| Barcelona to Misano Adriatico | 563.11 mi (906.23 km) |
| Barcelona to Misilmeri | 641.73 mi (1,032.77 km) |
| Barcelona to Missaglia | 465.99 mi (749.95 km) |
| Barcelona to Misterbianco | 733.83 mi (1,180.98 km) |
| Barcelona to Modena | 495.81 mi (797.92 km) |
| Barcelona to Modica | 742.23 mi (1,194.50 km) |
| Barcelona to Modugno | 758.34 mi (1,220.43 km) |
| Barcelona to Mogliano Veneto | 580.59 mi (934.36 km) |
| Barcelona to Molfetta | 748.01 mi (1,203.80 km) |
| Barcelona to Molinella | 528.61 mi (850.71 km) |
