| Elk Plain to Oakley (California) | 626.19 mi (1,007.76 km) |
| Elk Plain to Oakton (Virginia) | 2,313.02 mi (3,722.44 km) |
| Elk Plain to Oakville (Missouri) | 1,716.65 mi (2,762.68 km) |
| Elk Plain to Oatfield (Oregon) | 113.15 mi (182.09 km) |
| Elk Plain to Ocala (Florida) | 2,472.99 mi (3,979.90 km) |
| Elk Plain to Ocean Acres (New Jersey) | 2,426.61 mi (3,905.25 km) |
| Elk Plain to Ocean City (New Jersey) | 2,427.18 mi (3,906.16 km) |
| Elk Plain to Ocean Pines (Maryland) | 2,431.33 mi (3,912.84 km) |
| Elk Plain to Ocean Pointe (Hawaii) | 2,665.17 mi (4,289.18 km) |
| Elk Plain to Ocean Springs (Mississippi) | 2,119.48 mi (3,410.98 km) |
| Elk Plain to Oceanside (California) | 990.84 mi (1,594.61 km) |
| Elk Plain to Oceanside (New York) | 2,428.17 mi (3,907.77 km) |
| Elk Plain to Ocoee (Florida) | 2,528.38 mi (4,069.03 km) |
| Elk Plain to Oconomowoc (Wisconsin) | 1,661.70 mi (2,674.25 km) |
| Elk Plain to Odenton (Maryland) | 2,335.67 mi (3,758.90 km) |
