| Morecambe to Olympia Heights (Florida) | 4,298.62 mi (6,917.96 km) |
| Morecambe to Omaha (Nebraska) | 4,101.75 mi (6,601.13 km) |
| Morecambe to On Top of the World Designated Place (Florida) | 4,200.02 mi (6,759.28 km) |
| Morecambe to Onalaska (Wisconsin) | 3,799.82 mi (6,115.21 km) |
| Morecambe to Oneida (New York) | 3,259.02 mi (5,244.89 km) |
| Morecambe to Oneonta (New York) | 3,263.77 mi (5,252.54 km) |
| Morecambe to Ontario (California) | 5,218.83 mi (8,398.89 km) |
| Morecambe to Ontario (Oregon) | 4,630.41 mi (7,451.92 km) |
| Morecambe to Opa-locka (Florida) | 4,286.00 mi (6,897.65 km) |
| Morecambe to Opelika (Alabama) | 4,139.09 mi (6,661.22 km) |
| Morecambe to Opelousas (Louisiana) | 4,510.13 mi (7,258.35 km) |
| Morecambe to Orange (California) | 5,239.21 mi (8,431.69 km) |
| Morecambe to Orange (Texas) | 4,595.81 mi (7,396.24 km) |
| Morecambe to Orange City (Florida) | 4,169.00 mi (6,709.35 km) |
| Morecambe to Orangeburg (South Carolina) | 3,919.52 mi (6,307.86 km) |
