| Fagnano Olona to Orangevale (California) | 5,838.38 mi (9,395.97 km) |
| Fagnano Olona to Orchards (Washington) | 5,465.61 mi (8,796.05 km) |
| Fagnano Olona to Orcutt (California) | 6,036.78 mi (9,715.26 km) |
| Fagnano Olona to Oregon (Ohio) | 4,350.87 mi (7,002.05 km) |
| Fagnano Olona to Oregon (Wisconsin) | 4,530.09 mi (7,290.48 km) |
| Fagnano Olona to Oregon City (Oregon) | 5,487.50 mi (8,831.27 km) |
| Fagnano Olona to Orem (Utah) | 5,455.27 mi (8,779.40 km) |
| Fagnano Olona to Orinda (California) | 5,913.27 mi (9,516.49 km) |
| Fagnano Olona to Orland Park (Illinois) | 4,529.73 mi (7,289.90 km) |
| Fagnano Olona to Orlando (Florida) | 4,849.78 mi (7,804.97 km) |
| Fagnano Olona to Ormond Beach (Florida) | 4,801.29 mi (7,726.93 km) |
| Fagnano Olona to Oro Valley (Arizona) | 5,861.89 mi (9,433.80 km) |
| Fagnano Olona to Oroville (California) | 5,800.88 mi (9,335.61 km) |
| Fagnano Olona to Oshkosh (Wisconsin) | 4,449.48 mi (7,160.75 km) |
| Fagnano Olona to Oskaloosa (Iowa) | 4,729.61 mi (7,611.58 km) |
