| San Sebastiano al Vesuvio to Oswego (Illinois) | 4,968.29 mi (7,995.68 km) |
| San Sebastiano al Vesuvio to Oswego (New York) | 4,408.73 mi (7,095.17 km) |
| San Sebastiano al Vesuvio to Otsego (Minnesota) | 5,011.99 mi (8,066.01 km) |
| San Sebastiano al Vesuvio to Ottawa (Illinois) | 5,002.21 mi (8,050.27 km) |
| San Sebastiano al Vesuvio to Ottawa (Kansas) | 5,383.76 mi (8,664.32 km) |
| San Sebastiano al Vesuvio to Ottumwa (Iowa) | 5,159.58 mi (8,303.55 km) |
| San Sebastiano al Vesuvio to Overland (Missouri) | 5,182.94 mi (8,341.14 km) |
| San Sebastiano al Vesuvio to Overland Park (Kansas) | 5,347.50 mi (8,605.96 km) |
| San Sebastiano al Vesuvio to Overlea (Maryland) | 4,564.72 mi (7,346.21 km) |
| San Sebastiano al Vesuvio to Oviedo (Florida) | 5,220.87 mi (8,402.18 km) |
| San Sebastiano al Vesuvio to Owasso (Oklahoma) | 5,516.34 mi (8,877.69 km) |
| San Sebastiano al Vesuvio to Owatonna (Minnesota) | 5,050.89 mi (8,128.62 km) |
| San Sebastiano al Vesuvio to Owensboro (Kentucky) | 5,089.66 mi (8,191.01 km) |
| San Sebastiano al Vesuvio to Owings Mills (Maryland) | 4,574.98 mi (7,362.72 km) |
| San Sebastiano al Vesuvio to Owosso (Michigan) | 4,744.85 mi (7,636.09 km) |
