| Mason City to Billingham | 3,944.62 mi (6,348.26 km) |
| Mason City to Bilston | 3,986.80 mi (6,416.14 km) |
| Mason City to Binfield | 4,073.88 mi (6,556.27 km) |
| Mason City to Bingham | 4,013.54 mi (6,459.17 km) |
| Mason City to Bingley | 3,950.97 mi (6,358.47 km) |
| Mason City to Birchington | 4,152.28 mi (6,682.44 km) |
| Mason City to Birkenhead | 3,924.41 mi (6,315.73 km) |
| Mason City to Birmingham | 3,995.98 mi (6,430.91 km) |
| Mason City to Birstall | 3,961.12 mi (6,374.81 km) |
| Mason City to Birstall | 4,017.41 mi (6,465.40 km) |
| Mason City to Bishop Auckland | 3,928.70 mi (6,322.63 km) |
| Mason City to Bishopbriggs | 3,799.75 mi (6,115.11 km) |
| Mason City to Bishops Cleeve | 4,008.95 mi (6,451.78 km) |
| Mason City to Bishops Stortford | 4,092.93 mi (6,586.94 km) |
| Mason City to Bishopstoke | 4,070.97 mi (6,551.59 km) |
