| Olbia to Bel Air (Maryland) | 4,330.01 mi (6,968.48 km) |
| Olbia to Bel Air North (Maryland) | 4,330.53 mi (6,969.31 km) |
| Olbia to Bel Air South (Maryland) | 4,329.63 mi (6,967.87 km) |
| Olbia to Belgrade (Montana) | 5,419.16 mi (8,721.30 km) |
| Olbia to Bell (California) | 6,285.54 mi (10,115.59 km) |
| Olbia to Bell Gardens (California) | 6,285.45 mi (10,115.46 km) |
| Olbia to Bella Vista (Arkansas) | 5,240.07 mi (8,433.07 km) |
| Olbia to Bellair-Meadowbrook Terrace (Florida) | 4,949.17 mi (7,964.91 km) |
| Olbia to Bellaire (Texas) | 5,601.96 mi (9,015.49 km) |
| Olbia to Belle Chasse (Louisiana) | 5,349.08 mi (8,608.51 km) |
| Olbia to Belle Glade (Florida) | 5,044.32 mi (8,118.04 km) |
| Olbia to Bellefontaine (Ohio) | 4,626.39 mi (7,445.46 km) |
| Olbia to Bellefontaine Neighbors (Missouri) | 4,968.94 mi (7,996.73 km) |
| Olbia to Belleville (Illinois) | 4,969.02 mi (7,996.86 km) |
| Olbia to Bellevue (Nebraska) | 5,097.02 mi (8,202.86 km) |
