| Olbia to Accokeek (Maryland) | 4,391.51 mi (7,067.45 km) |
| Olbia to Acworth (Georgia) | 4,923.71 mi (7,923.95 km) |
| Olbia to Ada (Oklahoma) | 5,418.76 mi (8,720.65 km) |
| Olbia to Addison (Illinois) | 4,742.64 mi (7,632.54 km) |
| Olbia to Addison (Texas) | 5,510.00 mi (8,867.48 km) |
| Olbia to Adelanto (California) | 6,226.94 mi (10,021.29 km) |
| Olbia to Adelphi (Maryland) | 4,377.65 mi (7,045.15 km) |
| Olbia to Adrian (Michigan) | 4,577.96 mi (7,367.52 km) |
| Olbia to Affton (Missouri) | 4,981.82 mi (8,017.46 km) |
| Olbia to Agoura Hills (California) | 6,295.87 mi (10,132.22 km) |
| Olbia to Aguadilla (Puerto Rico) | 4,706.77 mi (7,574.82 km) |
| Olbia to Aiken (South Carolina) | 4,810.06 mi (7,741.04 km) |
| Olbia to Akron (Ohio) | 4,501.52 mi (7,244.50 km) |
| Olbia to Alabaster (Alabama) | 5,056.91 mi (8,138.32 km) |
| Olbia to Alachua (Florida) | 5,001.48 mi (8,049.10 km) |
