How many countries are less than 1 mile?
2
2
2
2
5
2
5
2
5
2
1
5
2
1
3
5
2
1
3
5
2
1
3
5
2
1
3
5
2
4
1
3
5
2
4
0
1
3
5
2
4
1
3
5
0
2
4
1
3
5
0
2
4
1
3
5
2
4
0
1
3
5
9
2
4
1
3
5
0
9
2
4
1
3
5
2 countries
6
0
9
8
2
4
7
1
3
5
6
9
8
2
4
7
0
1
3
5
13
6
9
8
4
7
1
3
5
0
13
10
6
9
8
4
7
4 countries
1
3
5
13
10
6
0
9
8
4
7
1
3
13
10
6
9
8
4
3 countries
7
0
1
3
2 countries
13
10
6
8 countries
9
5 countries
8
4
7
1
3
14
13
10
11
6
9
8
4
7
3
14
13
9 countries
10
11
6
9
8
4
7
6 countries
14
13
10
11
6
7 countries
9
8
4
7
4 countries
14
13
10
11
6
9
8
4
7
14
13
10
11
6
9
8
4
3 countries
7