| Pefka to Oakley (California) | 6,562.68 mi (10,561.61 km) |
| Pefka to Oakton (Virginia) | 4,997.50 mi (8,042.69 km) |
| Pefka to Oakville (Missouri) | 5,542.11 mi (8,919.17 km) |
| Pefka to Oatfield (Oregon) | 6,121.01 mi (9,850.82 km) |
| Pefka to Ocala (Florida) | 5,643.78 mi (9,082.79 km) |
| Pefka to Ocean Acres (New Jersey) | 4,833.54 mi (7,778.82 km) |
| Pefka to Ocean City (New Jersey) | 4,866.94 mi (7,832.59 km) |
| Pefka to Ocean Pines (Maryland) | 4,927.32 mi (7,929.76 km) |
| Pefka to Ocean Pointe (Hawaii) | 8,154.97 mi (13,124.15 km) |
| Pefka to Ocean Springs (Mississippi) | 5,873.33 mi (9,452.22 km) |
| Pefka to Oceanside (California) | 6,739.78 mi (10,846.62 km) |
| Pefka to Oceanside (New York) | 4,769.65 mi (7,676.01 km) |
| Pefka to Ocoee (Florida) | 5,643.83 mi (9,082.86 km) |
| Pefka to Oconomowoc (Wisconsin) | 5,249.68 mi (8,448.54 km) |
| Pefka to Odenton (Maryland) | 4,964.27 mi (7,989.22 km) |
