| Montichiari to Orangevale (California) | 5,896.07 mi (9,488.81 km) |
| Montichiari to Orchards (Washington) | 5,519.19 mi (8,882.28 km) |
| Montichiari to Orcutt (California) | 6,096.63 mi (9,811.58 km) |
| Montichiari to Oregon (Ohio) | 4,421.96 mi (7,116.46 km) |
| Montichiari to Oregon (Wisconsin) | 4,599.07 mi (7,401.49 km) |
| Montichiari to Oregon City (Oregon) | 5,541.22 mi (8,917.73 km) |
| Montichiari to Orem (Utah) | 5,517.14 mi (8,878.98 km) |
| Montichiari to Orinda (California) | 5,970.78 mi (9,609.04 km) |
| Montichiari to Orland Park (Illinois) | 4,599.72 mi (7,402.53 km) |
| Montichiari to Orlando (Florida) | 4,924.81 mi (7,925.72 km) |
| Montichiari to Ormond Beach (Florida) | 4,876.22 mi (7,847.52 km) |
| Montichiari to Oro Valley (Arizona) | 5,927.54 mi (9,539.46 km) |
| Montichiari to Oroville (California) | 5,858.00 mi (9,427.53 km) |
| Montichiari to Oshkosh (Wisconsin) | 4,518.19 mi (7,271.32 km) |
| Montichiari to Oskaloosa (Iowa) | 4,798.36 mi (7,722.21 km) |
