| Mason City to Aleksandrow Lodzki | 4,739.38 mi (7,627.30 km) |
| Mason City to Andrychow | 4,834.67 mi (7,780.65 km) |
| Mason City to Augustow | 4,750.84 mi (7,645.74 km) |
| Mason City to Banino | 4,591.01 mi (7,388.51 km) |
| Mason City to Barlinek | 4,556.45 mi (7,332.90 km) |
| Mason City to Bartoszyce | 4,668.19 mi (7,512.73 km) |
| Mason City to Bedzin | 4,804.54 mi (7,732.16 km) |
| Mason City to Belchatow | 4,762.94 mi (7,665.21 km) |
| Mason City to Biala Podlaska | 4,844.29 mi (7,796.14 km) |
| Mason City to Bialogard | 4,535.70 mi (7,299.51 km) |
| Mason City to Bialy Kamien | 4,691.51 mi (7,550.26 km) |
| Mason City to Bialystok | 4,790.55 mi (7,709.64 km) |
| Mason City to Bielawa | 4,707.04 mi (7,575.25 km) |
| Mason City to Bielsk Podlaski | 4,810.37 mi (7,741.54 km) |
| Mason City to Bielsko-Biala | 4,826.73 mi (7,767.87 km) |
