| Montesarchio to Oakley (California) | 6,318.91 mi (10,169.30 km) |
| Montesarchio to Oakton (Virginia) | 4,621.14 mi (7,437.00 km) |
| Montesarchio to Oakville (Missouri) | 5,193.03 mi (8,357.37 km) |
| Montesarchio to Oatfield (Oregon) | 5,903.96 mi (9,501.50 km) |
| Montesarchio to Ocala (Florida) | 5,248.70 mi (8,446.96 km) |
| Montesarchio to Ocean Acres (New Jersey) | 4,454.38 mi (7,168.63 km) |
| Montesarchio to Ocean City (New Jersey) | 4,486.78 mi (7,220.78 km) |
| Montesarchio to Ocean Pines (Maryland) | 4,545.27 mi (7,314.90 km) |
| Montesarchio to Ocean Pointe (Hawaii) | 8,101.01 mi (13,037.32 km) |
| Montesarchio to Ocean Springs (Mississippi) | 5,495.44 mi (8,844.06 km) |
| Montesarchio to Oceanside (California) | 6,462.37 mi (10,400.17 km) |
| Montesarchio to Oceanside (New York) | 4,392.37 mi (7,068.83 km) |
| Montesarchio to Ocoee (Florida) | 5,246.10 mi (8,442.78 km) |
| Montesarchio to Oconomowoc (Wisconsin) | 4,912.90 mi (7,906.56 km) |
| Montesarchio to Odenton (Maryland) | 4,587.34 mi (7,382.60 km) |
