| Olbia to Madison (New Jersey) | 4,199.04 mi (6,757.71 km) |
| Olbia to Madison (Wisconsin) | 4,751.82 mi (7,647.31 km) |
| Olbia to Madison Heights (Michigan) | 4,514.51 mi (7,265.40 km) |
| Olbia to Madison Heights (Virginia) | 4,533.64 mi (7,296.19 km) |
| Olbia to Madisonville (Kentucky) | 4,912.11 mi (7,905.28 km) |
| Olbia to Magalia (California) | 6,068.46 mi (9,766.24 km) |
| Olbia to Magna (Utah) | 5,713.33 mi (9,194.72 km) |
| Olbia to Magnolia (Arkansas) | 5,339.46 mi (8,593.03 km) |
| Olbia to Maili (Hawaii) | 8,058.02 mi (12,968.13 km) |
| Olbia to Maitland (Florida) | 4,996.71 mi (8,041.43 km) |
| Olbia to Makakilo (Hawaii) | 8,060.67 mi (12,972.39 km) |
| Olbia to Malden (Massachusetts) | 3,991.13 mi (6,423.11 km) |
| Olbia to Malibu (California) | 6,302.99 mi (10,143.68 km) |
| Olbia to Maltby (Washington) | 5,629.53 mi (9,059.86 km) |
| Olbia to Malvern (Arkansas) | 5,272.41 mi (8,485.12 km) |
