| Mason City to Barmstedt | 4,348.24 mi (6,997.81 km) |
| Mason City to Barntrup | 4,401.81 mi (7,084.03 km) |
| Mason City to Barsbuttel | 4,370.32 mi (7,033.36 km) |
| Mason City to Barsinghausen | 4,400.80 mi (7,082.40 km) |
| Mason City to Barssel | 4,306.68 mi (6,930.94 km) |
| Mason City to Barth | 4,417.97 mi (7,110.03 km) |
| Mason City to Bassum | 4,352.63 mi (7,004.89 km) |
| Mason City to Baunatal | 4,442.58 mi (7,149.64 km) |
| Mason City to Bautzen | 4,613.56 mi (7,424.81 km) |
| Mason City to Bayreuth | 4,573.11 mi (7,359.72 km) |
| Mason City to Bebra | 4,467.53 mi (7,189.80 km) |
| Mason City to Beckingen | 4,425.55 mi (7,122.23 km) |
| Mason City to Beckum | 4,374.67 mi (7,040.35 km) |
| Mason City to Bedburg | 4,310.13 mi (6,936.48 km) |
| Mason City to Bedburg | 4,354.46 mi (7,007.83 km) |
