| Maardu to Oakley (California) | 5,438.64 mi (8,752.65 km) |
| Maardu to Oakton (Virginia) | 4,341.79 mi (6,987.43 km) |
| Maardu to Oakville (Missouri) | 4,737.42 mi (7,624.15 km) |
| Maardu to Oatfield (Oregon) | 4,960.46 mi (7,983.08 km) |
| Maardu to Ocala (Florida) | 5,057.39 mi (8,139.09 km) |
| Maardu to Ocean Acres (New Jersey) | 4,201.74 mi (6,762.04 km) |
| Maardu to Ocean City (New Jersey) | 4,238.45 mi (6,821.13 km) |
| Maardu to Ocean Pines (Maryland) | 4,305.38 mi (6,928.85 km) |
| Maardu to Ocean Pointe (Hawaii) | 6,851.89 mi (11,027.05 km) |
| Maardu to Ocean Springs (Mississippi) | 5,180.23 mi (8,336.77 km) |
| Maardu to Oceanside (California) | 5,679.36 mi (9,140.05 km) |
| Maardu to Oceanside (New York) | 4,131.91 mi (6,649.67 km) |
| Maardu to Ocoee (Florida) | 5,074.05 mi (8,165.90 km) |
| Maardu to Oconomowoc (Wisconsin) | 4,411.89 mi (7,100.24 km) |
| Maardu to Odenton (Maryland) | 4,313.36 mi (6,941.69 km) |
