| Mangalia to Odessa (Texas) | 6,359.85 mi (10,235.19 km) |
| Mangalia to Ogden (Utah) | 6,070.88 mi (9,770.14 km) |
| Mangalia to Oildale (California) | 6,595.57 mi (10,614.54 km) |
| Mangalia to Ojus (Florida) | 5,843.47 mi (9,404.16 km) |
| Mangalia to Okemos (Michigan) | 5,167.17 mi (8,315.76 km) |
| Mangalia to Oklahoma City (Oklahoma) | 5,998.51 mi (9,653.66 km) |
| Mangalia to Okmulgee (Oklahoma) | 5,940.41 mi (9,560.17 km) |
| Mangalia to Olathe (Kansas) | 5,720.64 mi (9,206.48 km) |
| Mangalia to Old Jamestown (Missouri) | 5,570.75 mi (8,965.26 km) |
| Mangalia to Oldsmar (Florida) | 5,842.71 mi (9,402.93 km) |
| Mangalia to Olean (New York) | 4,981.83 mi (8,017.48 km) |
| Mangalia to Olive Branch (Mississippi) | 5,761.30 mi (9,271.92 km) |
| Mangalia to Olivehurst (California) | 6,413.63 mi (10,321.74 km) |
| Mangalia to Olney (Maryland) | 5,069.77 mi (8,159.00 km) |
| Mangalia to Olympia (Washington) | 5,922.54 mi (9,531.41 km) |
