| Bad Honnef am Rhein to Borgosesia | 343.86 mi (553.38 km) |
| Bad Honnef am Rhein to Boscoreale | 766.21 mi (1,233.10 km) |
| Bad Honnef am Rhein to Boscotrecase | 764.81 mi (1,230.84 km) |
| Bad Honnef am Rhein to Botticino Sera | 379.38 mi (610.55 km) |
| Bad Honnef am Rhein to Bovalino Marina | 967.94 mi (1,557.75 km) |
| Bad Honnef am Rhein to Boves | 436.36 mi (702.25 km) |
| Bad Honnef am Rhein to Boville Ernica | 688.94 mi (1,108.75 km) |
| Bad Honnef am Rhein to Bovisio Masciago | 358.53 mi (577.00 km) |
| Bad Honnef am Rhein to Bovolone | 414.14 mi (666.49 km) |
| Bad Honnef am Rhein to Bra | 411.78 mi (662.69 km) |
| Bad Honnef am Rhein to Bracciano | 635.56 mi (1,022.84 km) |
| Bad Honnef am Rhein to Brandizzo | 378.88 mi (609.76 km) |
| Bad Honnef am Rhein to Breganze | 395.72 mi (636.85 km) |
| Bad Honnef am Rhein to Brembate | 364.62 mi (586.80 km) |
| Bad Honnef am Rhein to Brescia | 378.80 mi (609.62 km) |
