| Marietta to Oakley (California) | 2,082.25 mi (3,351.07 km) |
| Marietta to Oakton (Virginia) | 527.26 mi (848.54 km) |
| Marietta to Oakville (Missouri) | 447.26 mi (719.80 km) |
| Marietta to Oatfield (Oregon) | 2,148.55 mi (3,457.75 km) |
| Marietta to Ocala (Florida) | 358.68 mi (577.24 km) |
| Marietta to Ocean Acres (New Jersey) | 693.46 mi (1,116.02 km) |
| Marietta to Ocean City (New Jersey) | 661.76 mi (1,065.00 km) |
| Marietta to Ocean Pines (Maryland) | 606.39 mi (975.89 km) |
| Marietta to Ocean Pointe (Hawaii) | 4,490.88 mi (7,227.38 km) |
| Marietta to Ocean Springs (Mississippi) | 348.62 mi (561.05 km) |
| Marietta to Oceanside (California) | 1,878.51 mi (3,023.18 km) |
| Marietta to Oceanside (New York) | 755.53 mi (1,215.91 km) |
| Marietta to Ocoee (Florida) | 411.56 mi (662.34 km) |
| Marietta to Oconomowoc (Wisconsin) | 666.87 mi (1,073.22 km) |
| Marietta to Odenton (Maryland) | 560.65 mi (902.27 km) |
