| Muskegon to Nuth | 4,079.02 mi (6,564.54 km) |
| Muskegon to Oegstgeest | 3,981.67 mi (6,407.88 km) |
| Muskegon to Oirschot | 4,036.41 mi (6,495.97 km) |
| Muskegon to Oisterwijk | 4,029.75 mi (6,485.26 km) |
| Muskegon to Oldebroek | 4,024.29 mi (6,476.46 km) |
| Muskegon to Oldenzaal | 4,066.27 mi (6,544.03 km) |
| Muskegon to Ommen | 4,040.49 mi (6,502.53 km) |
| Muskegon to Oosterend | 4,010.55 mi (6,454.36 km) |
| Muskegon to Oosterhout | 4,015.01 mi (6,461.53 km) |
| Muskegon to Oosterwolde | 4,019.05 mi (6,468.04 km) |
| Muskegon to Oostzaan | 3,988.09 mi (6,418.22 km) |
| Muskegon to Opmeer | 3,981.17 mi (6,407.08 km) |
| Muskegon to Oss | 4,034.80 mi (6,493.38 km) |
| Muskegon to Oud-Beijerland | 3,992.07 mi (6,424.62 km) |
| Muskegon to Oudenbosch | 4,004.65 mi (6,444.85 km) |
