| Olbia to Allouez (Wisconsin) | 4,640.07 mi (7,467.47 km) |
| Olbia to Aloha (Oregon) | 5,781.74 mi (9,304.80 km) |
| Olbia to Alpena (Michigan) | 4,430.86 mi (7,130.78 km) |
| Olbia to Alpharetta (Georgia) | 4,905.00 mi (7,893.83 km) |
| Olbia to Alpine (California) | 6,298.61 mi (10,136.64 km) |
| Olbia to Alpine (Utah) | 5,715.91 mi (9,198.86 km) |
| Olbia to Alsip (Illinois) | 4,742.09 mi (7,631.66 km) |
| Olbia to Altadena (California) | 6,272.22 mi (10,094.16 km) |
| Olbia to Altamont (Oregon) | 5,937.06 mi (9,554.78 km) |
| Olbia to Altamonte Springs (Florida) | 4,996.49 mi (8,041.08 km) |
| Olbia to Alton (Illinois) | 4,959.26 mi (7,981.16 km) |
| Olbia to Alton (Texas) | 5,890.02 mi (9,479.08 km) |
| Olbia to Altoona (Iowa) | 4,977.09 mi (8,009.86 km) |
| Olbia to Altoona (Pennsylvania) | 4,386.17 mi (7,058.86 km) |
| Olbia to Altus (Oklahoma) | 5,533.82 mi (8,905.82 km) |
