| Opovo to Belvedere Marittimo | 441.82 mi (711.04 km) |
| Opovo to Benevento | 392.86 mi (632.25 km) |
| Opovo to Bergamo | 523.76 mi (842.91 km) |
| Opovo to Bernalda | 372.36 mi (599.25 km) |
| Opovo to Bertinoro | 412.71 mi (664.20 km) |
| Opovo to Besana in Brianza | 542.42 mi (872.95 km) |
| Opovo to Besozzo | 572.32 mi (921.06 km) |
| Opovo to Biancavilla | 586.86 mi (944.47 km) |
| Opovo to Biassono | 543.18 mi (874.17 km) |
| Opovo to Bibbiano | 488.39 mi (786.00 km) |
| Opovo to Bibbiena | 435.29 mi (700.54 km) |
| Opovo to Biella | 601.23 mi (967.58 km) |
| Opovo to Bisceglie | 329.16 mi (529.72 km) |
| Opovo to Bisignano | 437.11 mi (703.47 km) |
| Opovo to Bitetto | 334.03 mi (537.57 km) |
