| Rank | Country | over 3,047 m | Airports - with unpaved runways |
| Belgium | | total: 15 914 to 1,523 m: 1 under 914 m: 14 (2008) |
| Belize | | total: 40 2,438 to 3,047 m: 1 914 to 1,523 m: 12 under 914 m: 27 (2008) |
| Benin | | total: 4 2,438 to 3,047 m: 1 1,524 to 2,437 m: 1 914 to 1,523 m: 2 (2008) |
| Bermuda | | void |
| Bhutan | | total: 1 914 to 1,523 m: 1 (2008) |
| Bosnia and Herzegovina | | total: 18 1,524 to 2,437 m: 1 914 to 1,523 m: 7 under 914 m: 10 (2008) |
| Botswana | | total: 67 1,524 to 2,437 m: 3 914 to 1,523 m: 54 under 914 m: 10 (2008) |
| Bouvet Island | | void |
| Brazil | | total: 3,442 1,524 to 2,437 m: 85 914 to 1,523 m: 1,541 under 914 m: 1,816 (2008) |
| British Indian Ocean Territory | | void |
| British Virgin Islands | | total: 2 914 to 1,523 m: 2 (2008) |
| Brunei | | total: 1 914 to 1,523 m: 1 (2008) |
| Bulgaria | | total: 77 1,524 to 2,437 m: 1 914 to 1,523 m: 7 under 914 m: 69 (2008) |
| Burkina Faso | | total: 24 1,524 to 2,437 m: 4 914 to 1,523 m: 12 under 914 m: 8 (2008) |
| Burundi | | total: 7 914 to 1,523 m: 4 under 914 m: 3 (2008) |
| Cambodia | | total: 11 1,524 to 2,437 m: 1 914 to 1,523 m: 9 under 914 m: 1 (2008) |
| Cameroon | | total: 24 1,524 to 2,437 m: 4 914 to 1,523 m: 14 under 914 m: 6 (2008) |