| Madeley to Oakley (California) | 5,195.24 mi (8,360.93 km) |
| Madeley to Oakton (Virginia) | 3,558.84 mi (5,727.40 km) |
| Madeley to Oakville (Missouri) | 4,091.16 mi (6,584.08 km) |
| Madeley to Oatfield (Oregon) | 4,793.99 mi (7,715.19 km) |
| Madeley to Ocala (Florida) | 4,226.50 mi (6,801.89 km) |
| Madeley to Ocean Acres (New Jersey) | 3,398.20 mi (5,468.87 km) |
| Madeley to Ocean City (New Jersey) | 3,432.55 mi (5,524.16 km) |
| Madeley to Ocean Pines (Maryland) | 3,494.82 mi (5,624.37 km) |
| Madeley to Ocean Pointe (Hawaii) | 7,120.38 mi (11,459.14 km) |
| Madeley to Ocean Springs (Mississippi) | 4,433.62 mi (7,135.22 km) |
| Madeley to Oceanside (California) | 5,331.88 mi (8,580.84 km) |
| Madeley to Oceanside (New York) | 3,332.64 mi (5,363.36 km) |
| Madeley to Ocoee (Florida) | 4,231.34 mi (6,809.69 km) |
| Madeley to Oconomowoc (Wisconsin) | 3,799.94 mi (6,115.42 km) |
| Madeley to Odenton (Maryland) | 3,526.25 mi (5,674.95 km) |
