| Mason City to Bollullos par del Condado | 4,377.08 mi (7,044.23 km) |
| Mason City to Bormujos | 4,396.84 mi (7,076.03 km) |
| Mason City to Brenes | 4,398.39 mi (7,078.53 km) |
| Mason City to Brunete | 4,366.40 mi (7,027.05 km) |
| Mason City to Bueu | 4,086.34 mi (6,576.33 km) |
| Mason City to Bullas | 4,562.55 mi (7,342.72 km) |
| Mason City to Bunol | 4,543.50 mi (7,312.06 km) |
| Mason City to Burela de Cabo | 4,096.40 mi (6,592.52 km) |
| Mason City to Burgos | 4,302.31 mi (6,923.89 km) |
| Mason City to Burjasot | 4,556.24 mi (7,332.57 km) |
| Mason City to Burriana | 4,553.63 mi (7,328.35 km) |
| Mason City to Cabanaquinta | 4,193.69 mi (6,749.09 km) |
| Mason City to Cabanillas del Campo | 4,389.40 mi (7,064.05 km) |
| Mason City to Cabra | 4,465.42 mi (7,186.40 km) |
| Mason City to Caceres | 4,299.49 mi (6,919.36 km) |
