| Rio Grande City to Bucak | 6,940.07 mi (11,168.96 km) |
| Rio Grande City to Buharkent | 6,843.61 mi (11,013.72 km) |
| Rio Grande City to Bulancak | 7,032.91 mi (11,318.37 km) |
| Rio Grande City to Bulanik | 7,262.94 mi (11,688.57 km) |
| Rio Grande City to Buldan | 6,843.06 mi (11,012.85 km) |
| Rio Grande City to Bunyan | 7,063.57 mi (11,367.72 km) |
| Rio Grande City to Burdur | 6,915.27 mi (11,129.06 km) |
| Rio Grande City to Burhaniye | 6,700.39 mi (10,783.23 km) |
| Rio Grande City to Bursa | 6,748.32 mi (10,860.37 km) |
| Rio Grande City to Buyukcekmece | 6,690.19 mi (10,766.82 km) |
| Rio Grande City to Buyukorhan | 6,764.23 mi (10,885.97 km) |
| Rio Grande City to Buyukyoncali | 6,648.66 mi (10,699.99 km) |
| Rio Grande City to Caglayancerit | 7,171.70 mi (11,541.74 km) |
| Rio Grande City to Cal | 6,863.33 mi (11,045.46 km) |
| Rio Grande City to Caldiran | 7,310.91 mi (11,765.78 km) |
