| Sannicolau Mare to Odessa (Texas) | 5,981.56 mi (9,626.38 km) |
| Sannicolau Mare to Ogden (Utah) | 5,736.23 mi (9,231.57 km) |
| Sannicolau Mare to Oildale (California) | 6,271.39 mi (10,092.83 km) |
| Sannicolau Mare to Ojus (Florida) | 5,427.05 mi (8,734.00 km) |
| Sannicolau Mare to Okemos (Michigan) | 4,776.58 mi (7,687.15 km) |
| Sannicolau Mare to Oklahoma City (Oklahoma) | 5,616.57 mi (9,039.00 km) |
| Sannicolau Mare to Okmulgee (Oklahoma) | 5,555.83 mi (8,941.25 km) |
| Sannicolau Mare to Olathe (Kansas) | 5,339.94 mi (8,593.80 km) |
| Sannicolau Mare to Old Jamestown (Missouri) | 5,181.93 mi (8,339.52 km) |
| Sannicolau Mare to Oldsmar (Florida) | 5,429.57 mi (8,738.05 km) |
| Sannicolau Mare to Olean (New York) | 4,582.14 mi (7,374.25 km) |
| Sannicolau Mare to Olive Branch (Mississippi) | 5,365.15 mi (8,634.37 km) |
| Sannicolau Mare to Olivehurst (California) | 6,105.41 mi (9,825.70 km) |
| Sannicolau Mare to Olney (Maryland) | 4,663.90 mi (7,505.83 km) |
| Sannicolau Mare to Olympia (Washington) | 5,634.85 mi (9,068.41 km) |
