The US BORDERS Mexico.
Since Mexico and the US share a boarder, technically the distance from Mexico to the US is zero.
The annexation of Texas by the US. Border Conflicts. Failed negotiations to purchase Alta California an Nuevo Mexico.
Assuming a stride length of 0.76 m (2.5 ft), you would have to walk 3254 Km or 4,281,579 steps from Sudbury to Nuevo Laredo, Mexico.
Seven Steps
At their closest point, Mexico and the US are 0 miles apart, as they share a border.
Tijuana is right at the US-Mexico border.
1
Same as in US
They have three members of the US House.
New Mexico has three US Representatives and 70 New Mexico State Representatives.
There are only two of them: the country of Mexico - the original - and New Mexico, a territory acquired by the US from Mexico.