| Oppeano to Odessa (Texas) | 5,674.47 mi (9,132.18 km) |
| Oppeano to Ogden (Utah) | 5,505.30 mi (8,859.92 km) |
| Oppeano to Oildale (California) | 6,052.08 mi (9,739.88 km) |
| Oppeano to Ojus (Florida) | 5,027.65 mi (8,091.22 km) |
| Oppeano to Okemos (Michigan) | 4,451.40 mi (7,163.84 km) |
| Oppeano to Oklahoma City (Oklahoma) | 5,304.56 mi (8,536.87 km) |
| Oppeano to Okmulgee (Oklahoma) | 5,238.91 mi (8,431.21 km) |
| Oppeano to Olathe (Kansas) | 5,031.93 mi (8,098.10 km) |
| Oppeano to Old Jamestown (Missouri) | 4,858.33 mi (7,818.72 km) |
| Oppeano to Oldsmar (Florida) | 5,043.12 mi (8,116.11 km) |
| Oppeano to Olean (New York) | 4,236.99 mi (6,818.77 km) |
| Oppeano to Olive Branch (Mississippi) | 5,024.60 mi (8,086.31 km) |
| Oppeano to Olivehurst (California) | 5,911.23 mi (9,513.20 km) |
| Oppeano to Olney (Maryland) | 4,302.26 mi (6,923.83 km) |
| Oppeano to Olympia (Washington) | 5,474.75 mi (8,810.77 km) |
