| Elk Plain to Odessa (Texas) | 1,487.68 mi (2,394.18 km) |
| Elk Plain to Ogden (Utah) | 652.72 mi (1,050.45 km) |
| Elk Plain to Oildale (California) | 820.69 mi (1,320.77 km) |
| Elk Plain to Ojus (Florida) | 2,713.20 mi (4,366.48 km) |
| Elk Plain to Okemos (Michigan) | 1,863.54 mi (2,999.07 km) |
| Elk Plain to Oklahoma City (Oklahoma) | 1,508.59 mi (2,427.84 km) |
| Elk Plain to Okmulgee (Oklahoma) | 1,568.10 mi (2,523.61 km) |
| Elk Plain to Olathe (Kansas) | 1,492.78 mi (2,402.39 km) |
| Elk Plain to Old Jamestown (Missouri) | 1,704.66 mi (2,743.39 km) |
| Elk Plain to Oldsmar (Florida) | 2,501.56 mi (4,025.87 km) |
| Elk Plain to Olean (New York) | 2,160.72 mi (3,477.34 km) |
| Elk Plain to Olive Branch (Mississippi) | 1,871.79 mi (3,012.36 km) |
| Elk Plain to Olivehurst (California) | 551.70 mi (887.87 km) |
| Elk Plain to Olney (Maryland) | 2,315.24 mi (3,726.03 km) |
| Elk Plain to Olympia (Washington) | 24.94 mi (40.13 km) |
