| Olbia to Morristown (New Jersey) | 4,200.42 mi (6,759.92 km) |
| Olbia to Morristown (Tennessee) | 4,772.92 mi (7,681.26 km) |
| Olbia to Morrisville (North Carolina) | 4,583.83 mi (7,376.96 km) |
| Olbia to Morro Bay (California) | 6,296.94 mi (10,133.95 km) |
| Olbia to Morton (Illinois) | 4,857.91 mi (7,818.06 km) |
| Olbia to Morton Grove (Illinois) | 4,729.01 mi (7,610.61 km) |
| Olbia to Moscow (Idaho) | 5,546.84 mi (8,926.78 km) |
| Olbia to Moses Lake (Washington) | 5,590.20 mi (8,996.56 km) |
| Olbia to Moss Bluff (Louisiana) | 5,473.73 mi (8,809.12 km) |
| Olbia to Moss Point (Mississippi) | 5,256.25 mi (8,459.11 km) |
| Olbia to Moultrie (Georgia) | 5,003.92 mi (8,053.03 km) |
| Olbia to Mounds View (Minnesota) | 4,816.92 mi (7,752.08 km) |
| Olbia to Mount Airy (North Carolina) | 4,639.11 mi (7,465.93 km) |
| Olbia to Mount Clemens (Michigan) | 4,501.67 mi (7,244.74 km) |
| Olbia to Mount Dora (Florida) | 5,001.55 mi (8,049.21 km) |
