| Mason City to Bucak | 5,846.46 mi (9,408.97 km) |
| Mason City to Buharkent | 5,756.70 mi (9,264.51 km) |
| Mason City to Bulancak | 5,888.11 mi (9,476.00 km) |
| Mason City to Bulanik | 6,108.97 mi (9,831.43 km) |
| Mason City to Buldan | 5,755.20 mi (9,262.09 km) |
| Mason City to Bunyan | 5,937.30 mi (9,555.16 km) |
| Mason City to Burdur | 5,821.79 mi (9,369.27 km) |
| Mason City to Burhaniye | 5,613.30 mi (9,033.73 km) |
| Mason City to Bursa | 5,646.97 mi (9,087.92 km) |
| Mason City to Buyukcekmece | 5,586.37 mi (8,990.39 km) |
| Mason City to Buyukorhan | 5,665.97 mi (9,118.49 km) |
| Mason City to Buyukyoncali | 5,545.77 mi (8,925.05 km) |
| Mason City to Caglayancerit | 6,043.73 mi (9,726.45 km) |
| Mason City to Cal | 5,772.29 mi (9,289.61 km) |
| Mason City to Caldiran | 6,150.70 mi (9,898.59 km) |
