| Olbia to Ansonia (Connecticut) | 4,117.98 mi (6,627.25 km) |
| Olbia to Antelope (California) | 6,123.76 mi (9,855.24 km) |
| Olbia to Anthem (Arizona) | 6,076.21 mi (9,778.72 km) |
| Olbia to Antioch (California) | 6,179.01 mi (9,944.16 km) |
| Olbia to Antioch (Illinois) | 4,723.01 mi (7,600.95 km) |
| Olbia to Apache Junction (Arizona) | 6,078.72 mi (9,782.76 km) |
| Olbia to Apex (North Carolina) | 4,590.08 mi (7,387.01 km) |
| Olbia to Apollo Beach (Florida) | 5,082.94 mi (8,180.20 km) |
| Olbia to Apopka (Florida) | 5,001.36 mi (8,048.91 km) |
| Olbia to Apple Valley (California) | 6,221.60 mi (10,012.70 km) |
| Olbia to Apple Valley (Minnesota) | 4,832.10 mi (7,776.51 km) |
| Olbia to Appleton (Wisconsin) | 4,662.46 mi (7,503.51 km) |
| Olbia to Arbutus (Maryland) | 4,356.39 mi (7,010.94 km) |
| Olbia to Arcadia (California) | 6,272.12 mi (10,094.01 km) |
| Olbia to Arcata (California) | 6,081.58 mi (9,787.37 km) |
