| Barcelona to Marsala | 599.16 mi (964.25 km) |
| Barcelona to Marsciano | 530.60 mi (853.92 km) |
| Barcelona to Martano | 846.12 mi (1,361.69 km) |
| Barcelona to Martellago | 576.70 mi (928.11 km) |
| Barcelona to Martina Franca | 790.24 mi (1,271.76 km) |
| Barcelona to Martinengo | 477.73 mi (768.83 km) |
| Barcelona to Martinsicuro | 609.88 mi (981.51 km) |
| Barcelona to Mascali | 736.76 mi (1,185.70 km) |
| Barcelona to Mascalucia | 734.54 mi (1,182.13 km) |
| Barcelona to Masera di Padova | 557.05 mi (896.48 km) |
| Barcelona to Maserada sul Piave | 589.89 mi (949.34 km) |
| Barcelona to Massa | 443.28 mi (713.40 km) |
| Barcelona to Massa Lombarda | 531.40 mi (855.20 km) |
| Barcelona to Massafra | 780.23 mi (1,255.65 km) |
| Barcelona to Massalubrense | 636.45 mi (1,024.26 km) |
