| Ercis to Odessa (Texas) | 7,065.50 mi (11,370.82 km) |
| Ercis to Ogden (Utah) | 6,678.10 mi (10,747.36 km) |
| Ercis to Oildale (California) | 7,170.70 mi (11,540.13 km) |
| Ercis to Ojus (Florida) | 6,655.05 mi (10,710.26 km) |
| Ercis to Okemos (Michigan) | 5,911.46 mi (9,513.58 km) |
| Ercis to Oklahoma City (Oklahoma) | 6,716.08 mi (10,808.49 km) |
| Ercis to Okmulgee (Oklahoma) | 6,664.87 mi (10,726.08 km) |
| Ercis to Olathe (Kansas) | 6,437.52 mi (10,360.19 km) |
| Ercis to Old Jamestown (Missouri) | 6,308.12 mi (10,151.94 km) |
| Ercis to Oldsmar (Florida) | 6,643.23 mi (10,691.24 km) |
| Ercis to Olean (New York) | 5,748.94 mi (9,252.02 km) |
| Ercis to Olive Branch (Mississippi) | 6,515.58 mi (10,485.81 km) |
| Ercis to Olivehurst (California) | 6,956.01 mi (11,194.61 km) |
| Ercis to Olney (Maryland) | 5,852.00 mi (9,417.88 km) |
| Ercis to Olympia (Washington) | 6,429.62 mi (10,347.47 km) |
