| Orta Nova to Oakley (California) | 6,333.75 mi (10,193.18 km) |
| Orta Nova to Oakton (Virginia) | 4,658.64 mi (7,497.36 km) |
| Orta Nova to Oakville (Missouri) | 5,225.32 mi (8,409.34 km) |
| Orta Nova to Oatfield (Oregon) | 5,914.41 mi (9,518.32 km) |
| Orta Nova to Ocala (Florida) | 5,290.40 mi (8,514.07 km) |
| Orta Nova to Ocean Acres (New Jersey) | 4,492.42 mi (7,229.85 km) |
| Orta Nova to Ocean City (New Jersey) | 4,525.04 mi (7,282.35 km) |
| Orta Nova to Ocean Pines (Maryland) | 4,583.95 mi (7,377.15 km) |
| Orta Nova to Ocean Pointe (Hawaii) | 8,089.86 mi (13,019.37 km) |
| Orta Nova to Ocean Springs (Mississippi) | 5,533.50 mi (8,905.31 km) |
| Orta Nova to Oceanside (California) | 6,482.67 mi (10,432.86 km) |
| Orta Nova to Oceanside (New York) | 4,430.00 mi (7,129.39 km) |
| Orta Nova to Ocoee (Florida) | 5,288.39 mi (8,510.85 km) |
| Orta Nova to Oconomowoc (Wisconsin) | 4,942.79 mi (7,954.65 km) |
| Orta Nova to Odenton (Maryland) | 4,624.95 mi (7,443.14 km) |
