| Olbia to Mitchell (South Dakota) | 5,060.92 mi (8,144.76 km) |
| Olbia to Mitchellville (Maryland) | 4,373.28 mi (7,038.12 km) |
| Olbia to Moberly (Missouri) | 5,032.34 mi (8,098.77 km) |
| Olbia to Mobile (Alabama) | 5,226.13 mi (8,410.64 km) |
| Olbia to Modesto (California) | 6,173.63 mi (9,935.50 km) |
| Olbia to Mokena (Illinois) | 4,753.60 mi (7,650.18 km) |
| Olbia to Moline (Illinois) | 4,863.50 mi (7,827.05 km) |
| Olbia to Moncks Corner (South Carolina) | 4,744.48 mi (7,635.50 km) |
| Olbia to Monfort Heights (Ohio) | 4,710.14 mi (7,580.24 km) |
| Olbia to Monmouth (Oregon) | 5,828.17 mi (9,379.53 km) |
| Olbia to Monroe (Georgia) | 4,890.77 mi (7,870.94 km) |
| Olbia to Monroe (Louisiana) | 5,323.19 mi (8,566.85 km) |
| Olbia to Monroe (Michigan) | 4,549.32 mi (7,321.43 km) |
| Olbia to Monroe (North Carolina) | 4,696.30 mi (7,557.96 km) |
| Olbia to Monroe (Ohio) | 4,689.06 mi (7,546.32 km) |
