| Mason City to Apatin | 5,025.98 mi (8,088.53 km) |
| Mason City to Arandelovac | 5,147.00 mi (8,283.30 km) |
| Mason City to Arilje | 5,158.54 mi (8,301.87 km) |
| Mason City to Babusnica | 5,272.72 mi (8,485.63 km) |
| Mason City to Bac | 5,048.39 mi (8,124.59 km) |
| Mason City to Backa Palanka | 5,060.63 mi (8,144.30 km) |
| Mason City to Backa Topola | 5,040.74 mi (8,112.29 km) |
| Mason City to Backi Petrovac | 5,061.74 mi (8,146.09 km) |
| Mason City to Bajina Basta | 5,129.04 mi (8,254.39 km) |
| Mason City to Batajnica | 5,107.89 mi (8,220.36 km) |
| Mason City to Batocina | 5,172.74 mi (8,324.72 km) |
| Mason City to Becej | 5,064.12 mi (8,149.92 km) |
| Mason City to Bela Crkva | 5,146.60 mi (8,282.66 km) |
| Mason City to Bela Palanka | 5,261.53 mi (8,467.62 km) |
| Mason City to Belgrade | 5,118.06 mi (8,236.72 km) |
