| Macomb to Nuth | 4,375.04 mi (7,040.94 km) |
| Macomb to Oegstgeest | 4,277.40 mi (6,883.81 km) |
| Macomb to Oirschot | 4,332.29 mi (6,972.15 km) |
| Macomb to Oisterwijk | 4,325.61 mi (6,961.40 km) |
| Macomb to Oldebroek | 4,319.63 mi (6,951.78 km) |
| Macomb to Oldenzaal | 4,361.49 mi (7,019.13 km) |
| Macomb to Ommen | 4,335.70 mi (6,977.64 km) |
| Macomb to Oosterend | 4,305.57 mi (6,929.15 km) |
| Macomb to Oosterhout | 4,310.90 mi (6,937.72 km) |
| Macomb to Oosterwolde | 4,314.03 mi (6,942.76 km) |
| Macomb to Oostzaan | 4,283.63 mi (6,893.84 km) |
| Macomb to Opmeer | 4,276.57 mi (6,882.47 km) |
| Macomb to Oss | 4,330.53 mi (6,969.32 km) |
| Macomb to Oud-Beijerland | 4,287.96 mi (6,900.81 km) |
| Macomb to Oudenbosch | 4,300.61 mi (6,921.16 km) |
