| Rio Grande City to Bilecik | 6,785.09 mi (10,919.55 km) |
| Rio Grande City to Bingol | 7,218.35 mi (11,616.81 km) |
| Rio Grande City to Birecik | 7,234.26 mi (11,642.42 km) |
| Rio Grande City to Bitlis | 7,296.91 mi (11,743.24 km) |
| Rio Grande City to Bodrum | 6,835.16 mi (11,000.12 km) |
| Rio Grande City to Bogazliyan | 7,024.02 mi (11,304.06 km) |
| Rio Grande City to Bolu | 6,815.54 mi (10,968.55 km) |
| Rio Grande City to Bolvadin | 6,895.41 mi (11,097.09 km) |
| Rio Grande City to Bor | 7,067.58 mi (11,374.17 km) |
| Rio Grande City to Borcka | 7,117.59 mi (11,454.65 km) |
| Rio Grande City to Boyabat | 6,889.31 mi (11,087.28 km) |
| Rio Grande City to Bozdogan | 6,840.44 mi (11,008.62 km) |
| Rio Grande City to Bozkir | 7,016.65 mi (11,292.20 km) |
| Rio Grande City to Bozkurt | 6,884.72 mi (11,079.89 km) |
| Rio Grande City to Bozuyuk | 6,798.76 mi (10,941.55 km) |
