| Napa to Bilecik | 6,740.61 mi (10,847.96 km) |
| Napa to Bingol | 6,993.38 mi (11,254.76 km) |
| Napa to Birecik | 7,082.81 mi (11,398.68 km) |
| Napa to Bitlis | 7,045.70 mi (11,338.96 km) |
| Napa to Bodrum | 6,885.53 mi (11,081.19 km) |
| Napa to Bogazliyan | 6,896.59 mi (11,098.99 km) |
| Napa to Bolu | 6,733.12 mi (10,835.91 km) |
| Napa to Bolvadin | 6,853.17 mi (11,029.12 km) |
| Napa to Bor | 6,971.36 mi (11,219.32 km) |
| Napa to Borcka | 6,840.89 mi (11,009.34 km) |
| Napa to Boyabat | 6,739.53 mi (10,846.22 km) |
| Napa to Bozdogan | 6,864.50 mi (11,047.35 km) |
| Napa to Bozkir | 6,974.87 mi (11,224.97 km) |
| Napa to Bozkurt | 6,882.62 mi (11,076.50 km) |
| Napa to Bozuyuk | 6,756.85 mi (10,874.09 km) |
