| Marsciano to Odessa (Texas) | 5,821.91 mi (9,369.46 km) |
| Marsciano to Ogden (Utah) | 5,668.84 mi (9,123.11 km) |
| Marsciano to Oildale (California) | 6,216.86 mi (10,005.07 km) |
| Marsciano to Ojus (Florida) | 5,138.64 mi (8,269.84 km) |
| Marsciano to Okemos (Michigan) | 4,595.31 mi (7,395.44 km) |
| Marsciano to Oklahoma City (Oklahoma) | 5,451.12 mi (8,772.73 km) |
| Marsciano to Okmulgee (Oklahoma) | 5,384.14 mi (8,664.94 km) |
| Marsciano to Olathe (Kansas) | 5,179.97 mi (8,336.35 km) |
| Marsciano to Old Jamestown (Missouri) | 5,002.10 mi (8,050.10 km) |
| Marsciano to Oldsmar (Florida) | 5,161.38 mi (8,306.45 km) |
| Marsciano to Olean (New York) | 4,374.59 mi (7,040.23 km) |
| Marsciano to Olive Branch (Mississippi) | 5,162.57 mi (8,308.35 km) |
| Marsciano to Olivehurst (California) | 6,079.28 mi (9,783.66 km) |
| Marsciano to Olney (Maryland) | 4,433.39 mi (7,134.85 km) |
| Marsciano to Olympia (Washington) | 5,646.19 mi (9,086.67 km) |
