| Cham to Oakley (California) | 5,796.88 mi (9,329.18 km) |
| Cham to Oakton (Virginia) | 4,255.37 mi (6,848.35 km) |
| Cham to Oakville (Missouri) | 4,777.46 mi (7,688.58 km) |
| Cham to Oatfield (Oregon) | 5,366.10 mi (8,635.91 km) |
| Cham to Ocala (Florida) | 4,923.01 mi (7,922.82 km) |
| Cham to Ocean Acres (New Jersey) | 4,095.14 mi (6,590.49 km) |
| Cham to Ocean City (New Jersey) | 4,129.55 mi (6,645.88 km) |
| Cham to Ocean Pines (Maryland) | 4,191.90 mi (6,746.21 km) |
| Cham to Ocean Pointe (Hawaii) | 7,529.87 mi (12,118.16 km) |
| Cham to Ocean Springs (Mississippi) | 5,129.70 mi (8,255.45 km) |
| Cham to Oceanside (California) | 5,965.05 mi (9,599.82 km) |
| Cham to Oceanside (New York) | 4,029.44 mi (6,484.75 km) |
| Cham to Ocoee (Florida) | 4,927.33 mi (7,929.77 km) |
| Cham to Oconomowoc (Wisconsin) | 4,479.90 mi (7,209.70 km) |
| Cham to Odenton (Maryland) | 4,222.88 mi (6,796.07 km) |
