| Iona to Boekel | 4,705.66 mi (7,573.02 km) |
| Iona to Bolsward | 4,673.68 mi (7,521.56 km) |
| Iona to Borger | 4,726.78 mi (7,607.02 km) |
| Iona to Borne | 4,736.90 mi (7,623.31 km) |
| Iona to Boskoop | 4,655.36 mi (7,492.08 km) |
| Iona to Boxmeer | 4,716.43 mi (7,590.36 km) |
| Iona to Boxtel | 4,692.17 mi (7,551.31 km) |
| Iona to Breda | 4,668.96 mi (7,513.96 km) |
| Iona to Breukelen | 4,667.95 mi (7,512.34 km) |
| Iona to Brielle | 4,638.32 mi (7,464.66 km) |
| Iona to Bronkhorst | 4,717.91 mi (7,592.74 km) |
| Iona to Brummen | 4,716.55 mi (7,590.55 km) |
| Iona to Brunssum | 4,730.33 mi (7,612.73 km) |
| Iona to Bunnik | 4,679.61 mi (7,531.11 km) |
| Iona to Burgum | 4,689.98 mi (7,547.80 km) |
