| Detroit to Nuth | 4,000.07 mi (6,437.49 km) |
| Detroit to Oegstgeest | 3,904.79 mi (6,284.15 km) |
| Detroit to Oirschot | 3,958.45 mi (6,370.51 km) |
| Detroit to Oisterwijk | 3,951.92 mi (6,360.01 km) |
| Detroit to Oldebroek | 3,949.49 mi (6,356.09 km) |
| Detroit to Oldenzaal | 3,992.11 mi (6,424.68 km) |
| Detroit to Ommen | 3,966.37 mi (6,383.26 km) |
| Detroit to Oosterend | 3,937.44 mi (6,336.70 km) |
| Detroit to Oosterhout | 3,937.01 mi (6,336.01 km) |
| Detroit to Oosterwolde | 3,946.11 mi (6,350.66 km) |
| Detroit to Oostzaan | 3,912.29 mi (6,296.22 km) |
| Detroit to Opmeer | 3,906.17 mi (6,286.37 km) |
| Detroit to Oss | 3,957.77 mi (6,369.42 km) |
| Detroit to Oud-Beijerland | 3,914.11 mi (6,299.16 km) |
| Detroit to Oudenbosch | 3,926.19 mi (6,318.58 km) |
