| Melito di Napoli to Orangevale (California) | 6,261.82 mi (10,077.43 km) |
| Melito di Napoli to Orchards (Washington) | 5,885.11 mi (9,471.17 km) |
| Melito di Napoli to Orcutt (California) | 6,461.27 mi (10,398.41 km) |
| Melito di Napoli to Oregon (Ohio) | 4,760.60 mi (7,661.45 km) |
| Melito di Napoli to Oregon (Wisconsin) | 4,946.72 mi (7,960.98 km) |
| Melito di Napoli to Oregon City (Oregon) | 5,907.17 mi (9,506.67 km) |
| Melito di Napoli to Orem (Utah) | 5,879.94 mi (9,462.85 km) |
| Melito di Napoli to Orinda (California) | 6,336.59 mi (10,197.75 km) |
| Melito di Napoli to Orland Park (Illinois) | 4,943.45 mi (7,955.72 km) |
| Melito di Napoli to Orlando (Florida) | 5,227.02 mi (8,412.08 km) |
| Melito di Napoli to Ormond Beach (Florida) | 5,180.26 mi (8,336.83 km) |
| Melito di Napoli to Oro Valley (Arizona) | 6,284.27 mi (10,113.56 km) |
| Melito di Napoli to Oroville (California) | 6,223.91 mi (10,016.42 km) |
| Melito di Napoli to Oshkosh (Wisconsin) | 4,866.81 mi (7,832.38 km) |
| Melito di Napoli to Oskaloosa (Iowa) | 5,146.76 mi (8,282.92 km) |
