| Muskego to Oerlinghausen | 4,224.63 mi (6,798.89 km) |
| Muskego to Oestrich-Winkel | 4,276.75 mi (6,882.77 km) |
| Muskego to Offenburg | 4,334.49 mi (6,975.68 km) |
| Muskego to Oftersheim | 4,322.97 mi (6,957.15 km) |
| Muskego to Ohrdruf | 4,342.63 mi (6,988.79 km) |
| Muskego to Ohringen | 4,363.47 mi (7,022.32 km) |
| Muskego to Olbernhau | 4,440.81 mi (7,146.79 km) |
| Muskego to Olching | 4,471.12 mi (7,195.58 km) |
| Muskego to Oldenburg | 4,163.96 mi (6,701.25 km) |
| Muskego to Oldenburg in Holstein | 4,210.75 mi (6,776.55 km) |
| Muskego to Olfen | 4,188.48 mi (6,740.71 km) |
| Muskego to Olpe | 4,231.35 mi (6,809.70 km) |
| Muskego to Olsberg | 4,241.88 mi (6,826.65 km) |
| Muskego to Oranienburg | 4,351.28 mi (7,002.72 km) |
| Muskego to Ortenberg | 4,301.27 mi (6,922.23 km) |
