| Cham to Orangevale (California) | 5,742.40 mi (9,241.50 km) |
| Cham to Orchards (Washington) | 5,347.81 mi (8,606.47 km) |
| Cham to Orcutt (California) | 5,953.39 mi (9,581.05 km) |
| Cham to Oregon (Ohio) | 4,363.84 mi (7,022.93 km) |
| Cham to Oregon (Wisconsin) | 4,520.31 mi (7,274.73 km) |
| Cham to Oregon City (Oregon) | 5,370.38 mi (8,642.79 km) |
| Cham to Orem (Utah) | 5,386.40 mi (8,668.57 km) |
| Cham to Orinda (California) | 5,816.06 mi (9,360.04 km) |
| Cham to Orland Park (Illinois) | 4,530.00 mi (7,290.33 km) |
| Cham to Orlando (Florida) | 4,924.27 mi (7,924.84 km) |
| Cham to Ormond Beach (Florida) | 4,873.35 mi (7,842.90 km) |
| Cham to Oro Valley (Arizona) | 5,819.45 mi (9,365.50 km) |
| Cham to Oroville (California) | 5,701.68 mi (9,175.97 km) |
| Cham to Oshkosh (Wisconsin) | 4,437.36 mi (7,141.24 km) |
| Cham to Oskaloosa (Iowa) | 4,716.97 mi (7,591.23 km) |
