| Mason City to Burnley | 3,938.32 mi (6,338.11 km) |
| Mason City to Burntwood | 3,988.24 mi (6,418.45 km) |
| Mason City to Burscough | 3,923.67 mi (6,314.54 km) |
| Mason City to Burslem | 3,966.09 mi (6,382.80 km) |
| Mason City to Burton upon Trent | 3,994.30 mi (6,428.21 km) |
| Mason City to Burtonwood | 3,935.80 mi (6,334.05 km) |
| Mason City to Bury | 3,943.23 mi (6,346.01 km) |
| Mason City to Bury Saint Edmunds | 4,098.78 mi (6,596.35 km) |
| Mason City to Bushey | 4,081.97 mi (6,569.29 km) |
| Mason City to Buxton | 3,968.54 mi (6,386.74 km) |
| Mason City to Caerdydd | 3,984.01 mi (6,411.65 km) |
| Mason City to Caerfyrddin | 3,928.89 mi (6,322.94 km) |
| Mason City to Caernarfon | 3,887.49 mi (6,256.32 km) |
| Mason City to Caerphilly | 3,979.22 mi (6,403.94 km) |
| Mason City to Caister-on-Sea | 4,119.92 mi (6,630.37 km) |
