| Campogalliano to Orangevale (California) | 5,950.25 mi (9,576.00 km) |
| Campogalliano to Orchards (Washington) | 5,574.10 mi (8,970.64 km) |
| Campogalliano to Orcutt (California) | 6,150.24 mi (9,897.86 km) |
| Campogalliano to Oregon (Ohio) | 4,468.94 mi (7,192.06 km) |
| Campogalliano to Oregon (Wisconsin) | 4,648.05 mi (7,480.31 km) |
| Campogalliano to Oregon City (Oregon) | 5,596.11 mi (9,006.06 km) |
| Campogalliano to Orem (Utah) | 5,570.08 mi (8,964.17 km) |
| Campogalliano to Orinda (California) | 6,025.00 mi (9,696.30 km) |
| Campogalliano to Orland Park (Illinois) | 4,647.82 mi (7,479.94 km) |
| Campogalliano to Orlando (Florida) | 4,964.64 mi (7,989.81 km) |
| Campogalliano to Ormond Beach (Florida) | 4,916.38 mi (7,912.15 km) |
| Campogalliano to Oro Valley (Arizona) | 5,978.77 mi (9,621.90 km) |
| Campogalliano to Oroville (California) | 5,912.30 mi (9,514.93 km) |
| Campogalliano to Oshkosh (Wisconsin) | 4,567.38 mi (7,350.49 km) |
| Campogalliano to Oskaloosa (Iowa) | 4,847.52 mi (7,801.33 km) |
