| Olbia to Ashwaubenon (Wisconsin) | 4,642.29 mi (7,471.04 km) |
| Olbia to Aspen Hill (Maryland) | 4,379.61 mi (7,048.30 km) |
| Olbia to Astoria (Oregon) | 5,766.99 mi (9,281.08 km) |
| Olbia to Atascadero (California) | 6,285.21 mi (10,115.06 km) |
| Olbia to Atascocita (Texas) | 5,577.41 mi (8,975.98 km) |
| Olbia to Atchison (Kansas) | 5,136.31 mi (8,266.09 km) |
| Olbia to Athens (Alabama) | 4,995.89 mi (8,040.11 km) |
| Olbia to Athens (Georgia) | 4,868.55 mi (7,835.17 km) |
| Olbia to Athens (Ohio) | 4,594.61 mi (7,394.31 km) |
| Olbia to Athens (Tennessee) | 4,862.35 mi (7,825.20 km) |
| Olbia to Athens (Texas) | 5,501.98 mi (8,854.58 km) |
| Olbia to Atlanta (Georgia) | 4,924.61 mi (7,925.40 km) |
| Olbia to Atlantic Beach (Florida) | 4,927.13 mi (7,929.45 km) |
| Olbia to Atlantic City (New Jersey) | 4,249.60 mi (6,839.07 km) |
| Olbia to Attleboro (Massachusetts) | 4,018.24 mi (6,466.73 km) |
