| Ottumwa to Blumberg | 4,631.18 mi (7,453.16 km) |
| Ottumwa to Bobenheim-Roxheim | 4,553.81 mi (7,328.65 km) |
| Ottumwa to Bobingen | 4,697.56 mi (7,560.00 km) |
| Ottumwa to Boblingen | 4,614.26 mi (7,425.93 km) |
| Ottumwa to Bocholt | 4,402.50 mi (7,085.14 km) |
| Ottumwa to Bochum | 4,437.37 mi (7,141.25 km) |
| Ottumwa to Bockenem | 4,518.38 mi (7,271.63 km) |
| Ottumwa to Bockhorn | 4,390.85 mi (7,066.39 km) |
| Ottumwa to Bogen | 4,737.05 mi (7,623.55 km) |
| Ottumwa to Bohl-Iggelheim | 4,560.47 mi (7,339.37 km) |
| Ottumwa to Bohmte | 4,441.44 mi (7,147.81 km) |
| Ottumwa to Boizenburg | 4,483.42 mi (7,215.37 km) |
| Ottumwa to Bonen | 4,452.06 mi (7,164.90 km) |
| Ottumwa to Bonn | 4,462.46 mi (7,181.64 km) |
| Ottumwa to Bopfingen | 4,655.93 mi (7,492.99 km) |
