| San Giovanni Rotondo to Orangevale (California) | 6,258.34 mi (10,071.83 km) |
| San Giovanni Rotondo to Orchards (Washington) | 5,874.31 mi (9,453.79 km) |
| San Giovanni Rotondo to Orcutt (California) | 6,462.00 mi (10,399.59 km) |
| San Giovanni Rotondo to Oregon (Ohio) | 4,789.09 mi (7,707.30 km) |
| San Giovanni Rotondo to Oregon (Wisconsin) | 4,968.87 mi (7,996.63 km) |
| San Giovanni Rotondo to Oregon City (Oregon) | 5,896.60 mi (9,489.66 km) |
| San Giovanni Rotondo to Orem (Utah) | 5,885.00 mi (9,471.00 km) |
| San Giovanni Rotondo to Orinda (California) | 6,332.73 mi (10,191.54 km) |
| San Giovanni Rotondo to Orland Park (Illinois) | 4,968.54 mi (7,996.09 km) |
| San Giovanni Rotondo to Orlando (Florida) | 5,273.58 mi (8,487.00 km) |
| San Giovanni Rotondo to Ormond Beach (Florida) | 5,226.07 mi (8,410.55 km) |
| San Giovanni Rotondo to Oro Valley (Arizona) | 6,297.96 mi (10,135.59 km) |
| San Giovanni Rotondo to Oroville (California) | 6,219.36 mi (10,009.09 km) |
| San Giovanni Rotondo to Oshkosh (Wisconsin) | 4,888.18 mi (7,866.76 km) |
| San Giovanni Rotondo to Oskaloosa (Iowa) | 5,168.32 mi (8,317.62 km) |
