| Ironton to Boekel | 4,135.34 mi (6,655.18 km) |
| Ironton to Bolsward | 4,087.65 mi (6,578.43 km) |
| Ironton to Borger | 4,139.31 mi (6,661.57 km) |
| Ironton to Borne | 4,156.22 mi (6,688.80 km) |
| Ironton to Boskoop | 4,082.40 mi (6,569.99 km) |
| Ironton to Boxmeer | 4,144.84 mi (6,670.47 km) |
| Ironton to Boxtel | 4,122.88 mi (6,635.13 km) |
| Ironton to Breda | 4,101.00 mi (6,599.93 km) |
| Ironton to Breukelen | 4,092.98 mi (6,587.01 km) |
| Ironton to Brielle | 4,068.39 mi (6,547.44 km) |
| Ironton to Bronkhorst | 4,140.99 mi (6,664.29 km) |
| Ironton to Brummen | 4,139.72 mi (6,662.23 km) |
| Ironton to Brunssum | 4,166.40 mi (6,705.17 km) |
| Ironton to Bunnik | 4,105.42 mi (6,607.03 km) |
| Ironton to Burgum | 4,101.43 mi (6,600.61 km) |
