| Orsova to Oakley (California) | 6,298.91 mi (10,137.12 km) |
| Orsova to Oakton (Virginia) | 4,808.61 mi (7,738.71 km) |
| Orsova to Oakville (Missouri) | 5,329.36 mi (8,576.77 km) |
| Orsova to Oatfield (Oregon) | 5,851.07 mi (9,416.39 km) |
| Orsova to Ocala (Florida) | 5,472.67 mi (8,807.42 km) |
| Orsova to Ocean Acres (New Jersey) | 4,647.88 mi (7,480.04 km) |
| Orsova to Ocean City (New Jersey) | 4,682.15 mi (7,535.20 km) |
| Orsova to Ocean Pines (Maryland) | 4,744.21 mi (7,635.07 km) |
| Orsova to Ocean Pointe (Hawaii) | 7,873.81 mi (12,671.67 km) |
| Orsova to Ocean Springs (Mississippi) | 5,683.22 mi (9,146.26 km) |
| Orsova to Oceanside (California) | 6,486.76 mi (10,439.43 km) |
| Orsova to Oceanside (New York) | 4,582.41 mi (7,374.67 km) |
| Orsova to Ocoee (Florida) | 5,475.95 mi (8,812.70 km) |
| Orsova to Oconomowoc (Wisconsin) | 5,029.48 mi (8,094.16 km) |
| Orsova to Odenton (Maryland) | 4,776.04 mi (7,686.29 km) |
