| Olbia to Mountain Brook (Alabama) | 5,041.74 mi (8,113.89 km) |
| Olbia to Mountain Home (Arkansas) | 5,166.04 mi (8,313.93 km) |
| Olbia to Mountain Home (Idaho) | 5,702.58 mi (9,177.41 km) |
| Olbia to Mountain House (California) | 6,183.24 mi (9,950.96 km) |
| Olbia to Mountain Park (Georgia) | 4,907.85 mi (7,898.43 km) |
| Olbia to Mountain Top (Pennsylvania) | 4,252.39 mi (6,843.56 km) |
| Olbia to Mountain View (California) | 6,220.74 mi (10,011.32 km) |
| Olbia to Mountlake Terrace (Washington) | 5,635.52 mi (9,069.49 km) |
| Olbia to Mukilteo (Washington) | 5,628.73 mi (9,058.57 km) |
| Olbia to Muncie (Indiana) | 4,703.11 mi (7,568.93 km) |
| Olbia to Mundelein (Illinois) | 4,728.85 mi (7,610.35 km) |
| Olbia to Munhall (Pennsylvania) | 4,456.75 mi (7,172.44 km) |
| Olbia to Munster (Indiana) | 4,737.45 mi (7,624.20 km) |
| Olbia to Murfreesboro (Tennessee) | 4,926.87 mi (7,929.04 km) |
| Olbia to Murphy (Texas) | 5,497.60 mi (8,847.53 km) |
