| Barcelona to Mill Creek East (Washington) | 5,398.13 mi (8,687.45 km) |
| Barcelona to Mill Valley (California) | 5,945.02 mi (9,567.58 km) |
| Barcelona to Millbrae (California) | 5,957.08 mi (9,586.99 km) |
| Barcelona to Millbrook (Alabama) | 4,712.74 mi (7,584.43 km) |
| Barcelona to Millcreek (Utah) | 5,423.14 mi (8,727.71 km) |
| Barcelona to Milledgeville (Georgia) | 4,541.17 mi (7,308.31 km) |
| Barcelona to Miller Place (New York) | 3,777.24 mi (6,078.88 km) |
| Barcelona to Millington (Tennessee) | 4,759.80 mi (7,660.16 km) |
| Barcelona to Millville (New Jersey) | 3,924.01 mi (6,315.08 km) |
| Barcelona to Milpitas (California) | 5,948.69 mi (9,573.49 km) |
| Barcelona to Milton (Georgia) | 4,550.43 mi (7,323.22 km) |
| Barcelona to Milwaukee (Wisconsin) | 4,370.51 mi (7,033.66 km) |
| Barcelona to Milwaukie (Oregon) | 5,539.54 mi (8,915.03 km) |
| Barcelona to Minden (Louisiana) | 5,027.55 mi (8,091.06 km) |
| Barcelona to Mineola (New York) | 3,813.60 mi (6,137.39 km) |
