| Onda to Bicaz | 1,398.66 mi (2,250.93 km) |
| Onda to Bistrita | 1,328.36 mi (2,137.79 km) |
| Onda to Blaj | 1,287.63 mi (2,072.23 km) |
| Onda to Bocsa | 1,172.94 mi (1,887.67 km) |
| Onda to Boldesti-Scaeni | 1,377.78 mi (2,217.33 km) |
| Onda to Bolintin Vale | 1,361.12 mi (2,190.51 km) |
| Onda to Borsa | 1,344.18 mi (2,163.25 km) |
| Onda to Botosani | 1,436.51 mi (2,311.84 km) |
| Onda to Brad | 1,234.23 mi (1,986.31 km) |
| Onda to Bragadiru | 1,371.49 mi (2,207.20 km) |
| Onda to Braila | 1,472.78 mi (2,370.20 km) |
| Onda to Brasov | 1,362.82 mi (2,193.24 km) |
| Onda to Breaza | 1,361.04 mi (2,190.38 km) |
| Onda to Bucharest | 1,378.11 mi (2,217.86 km) |
| Onda to Buftea | 1,371.20 mi (2,206.74 km) |
