| Melito di Napoli to Odessa (Texas) | 5,985.42 mi (9,632.60 km) |
| Melito di Napoli to Ogden (Utah) | 5,837.83 mi (9,395.08 km) |
| Melito di Napoli to Oildale (California) | 6,385.99 mi (10,277.26 km) |
| Melito di Napoli to Ojus (Florida) | 5,280.88 mi (8,498.76 km) |
| Melito di Napoli to Okemos (Michigan) | 4,757.41 mi (7,656.31 km) |
| Melito di Napoli to Oklahoma City (Oklahoma) | 5,614.29 mi (9,035.32 km) |
| Melito di Napoli to Okmulgee (Oklahoma) | 5,546.69 mi (8,926.54 km) |
| Melito di Napoli to Olathe (Kansas) | 5,343.87 mi (8,600.13 km) |
| Melito di Napoli to Old Jamestown (Missouri) | 5,164.03 mi (8,310.70 km) |
| Melito di Napoli to Oldsmar (Florida) | 5,308.44 mi (8,543.10 km) |
| Melito di Napoli to Olean (New York) | 4,533.54 mi (7,296.04 km) |
| Melito di Napoli to Olive Branch (Mississippi) | 5,321.44 mi (8,564.03 km) |
| Melito di Napoli to Olivehurst (California) | 6,248.41 mi (10,055.84 km) |
| Melito di Napoli to Olney (Maryland) | 4,588.72 mi (7,384.83 km) |
| Melito di Napoli to Olympia (Washington) | 5,814.20 mi (9,357.05 km) |
