| Montechiarugolo to Oswego (Illinois) | 4,645.88 mi (7,476.82 km) |
| Montechiarugolo to Oswego (New York) | 4,093.29 mi (6,587.51 km) |
| Montechiarugolo to Otsego (Minnesota) | 4,682.90 mi (7,536.41 km) |
| Montechiarugolo to Ottawa (Illinois) | 4,679.82 mi (7,531.45 km) |
| Montechiarugolo to Ottawa (Kansas) | 5,059.53 mi (8,142.53 km) |
| Montechiarugolo to Ottumwa (Iowa) | 4,834.96 mi (7,781.11 km) |
| Montechiarugolo to Overland (Missouri) | 4,862.58 mi (7,825.57 km) |
| Montechiarugolo to Overland Park (Kansas) | 5,023.41 mi (8,084.40 km) |
| Montechiarugolo to Overlea (Maryland) | 4,257.09 mi (6,851.13 km) |
| Montechiarugolo to Oviedo (Florida) | 4,929.86 mi (7,933.85 km) |
| Montechiarugolo to Owasso (Oklahoma) | 5,194.07 mi (8,359.05 km) |
| Montechiarugolo to Owatonna (Minnesota) | 4,722.92 mi (7,600.80 km) |
| Montechiarugolo to Owensboro (Kentucky) | 4,773.62 mi (7,682.41 km) |
| Montechiarugolo to Owings Mills (Maryland) | 4,266.95 mi (6,866.99 km) |
| Montechiarugolo to Owosso (Michigan) | 4,423.90 mi (7,119.58 km) |
