| Olbia to Black Forest (Colorado) | 5,532.37 mi (8,903.49 km) |
| Olbia to Blackfoot (Idaho) | 5,591.78 mi (8,999.10 km) |
| Olbia to Blackhawk (California) | 6,191.71 mi (9,964.60 km) |
| Olbia to Blacksburg (Virginia) | 4,602.17 mi (7,406.48 km) |
| Olbia to Blackwells Mills (New Jersey) | 4,217.11 mi (6,786.78 km) |
| Olbia to Blaine (Minnesota) | 4,814.25 mi (7,747.79 km) |
| Olbia to Bloomingdale (Florida) | 5,071.34 mi (8,161.53 km) |
| Olbia to Bloomingdale (Illinois) | 4,745.23 mi (7,636.71 km) |
| Olbia to Bloomington (California) | 6,254.32 mi (10,065.35 km) |
| Olbia to Bloomington (Illinois) | 4,843.00 mi (7,794.06 km) |
| Olbia to Bloomington (Indiana) | 4,793.86 mi (7,714.98 km) |
| Olbia to Bloomington (Minnesota) | 4,832.87 mi (7,777.76 km) |
| Olbia to Bloomsburg (Pennsylvania) | 4,281.71 mi (6,890.75 km) |
| Olbia to Blue Ash (Ohio) | 4,697.72 mi (7,560.24 km) |
| Olbia to Blue Island (Illinois) | 4,740.28 mi (7,628.74 km) |
