| Muskegon to Olympia Heights (Florida) | 1,254.63 mi (2,019.14 km) |
| Muskegon to Omaha (Nebraska) | 518.81 mi (834.94 km) |
| Muskegon to On Top of the World Designated Place (Florida) | 1,000.24 mi (1,609.72 km) |
| Muskegon to Onalaska (Wisconsin) | 252.03 mi (405.61 km) |
| Muskegon to Oneida (New York) | 533.75 mi (858.98 km) |
| Muskegon to Oneonta (New York) | 568.96 mi (915.66 km) |
| Muskegon to Ontario (California) | 1,794.41 mi (2,887.83 km) |
| Muskegon to Ontario (Oregon) | 1,528.46 mi (2,459.82 km) |
| Muskegon to Opa-locka (Florida) | 1,244.13 mi (2,002.23 km) |
| Muskegon to Opelika (Alabama) | 731.66 mi (1,177.49 km) |
| Muskegon to Opelousas (Louisiana) | 934.25 mi (1,503.53 km) |
| Muskegon to Orange (California) | 1,813.27 mi (2,918.18 km) |
| Muskegon to Orange (Texas) | 995.38 mi (1,601.90 km) |
| Muskegon to Orange City (Florida) | 1,025.28 mi (1,650.03 km) |
| Muskegon to Orangeburg (South Carolina) | 732.86 mi (1,179.42 km) |
