| Congleton to Olympia Heights (Florida) | 4,332.59 mi (6,972.63 km) |
| Congleton to Omaha (Nebraska) | 4,156.20 mi (6,688.75 km) |
| Congleton to On Top of the World Designated Place (Florida) | 4,238.06 mi (6,820.49 km) |
| Congleton to Onalaska (Wisconsin) | 3,853.66 mi (6,201.87 km) |
| Congleton to Oneida (New York) | 3,304.40 mi (5,317.93 km) |
| Congleton to Oneonta (New York) | 3,308.23 mi (5,324.08 km) |
| Congleton to Ontario (California) | 5,279.41 mi (8,496.39 km) |
| Congleton to Ontario (Oregon) | 4,693.78 mi (7,553.91 km) |
| Congleton to Opa-locka (Florida) | 4,320.04 mi (6,952.43 km) |
| Congleton to Opelika (Alabama) | 4,181.93 mi (6,730.16 km) |
| Congleton to Opelousas (Louisiana) | 4,555.88 mi (7,331.98 km) |
| Congleton to Orange (California) | 5,299.80 mi (8,529.21 km) |
| Congleton to Orange (Texas) | 4,642.37 mi (7,471.17 km) |
| Congleton to Orange City (Florida) | 4,206.16 mi (6,769.16 km) |
| Congleton to Orangeburg (South Carolina) | 3,959.94 mi (6,372.91 km) |
