| Macomb to Opwijk | 4,310.26 mi (6,936.70 km) |
| Macomb to Ostend | 4,253.98 mi (6,846.11 km) |
| Macomb to Oud-Heverlee | 4,333.05 mi (6,973.36 km) |
| Macomb to Oud-Turnhout | 4,327.29 mi (6,964.11 km) |
| Macomb to Oudenaarde | 4,292.64 mi (6,908.34 km) |
| Macomb to Oudenburg | 4,258.47 mi (6,853.35 km) |
| Macomb to Oupeye | 4,373.84 mi (7,039.02 km) |
| Macomb to Overijse | 4,329.89 mi (6,968.28 km) |
| Macomb to Overpelt | 4,346.87 mi (6,995.61 km) |
| Macomb to Paal | 4,344.34 mi (6,991.54 km) |
| Macomb to Peer | 4,351.28 mi (7,002.72 km) |
| Macomb to Pepinster | 4,385.50 mi (7,057.77 km) |
| Macomb to Peruwelz | 4,303.86 mi (6,926.40 km) |
| Macomb to Perwez | 4,346.15 mi (6,994.45 km) |
| Macomb to Philippeville | 4,351.64 mi (7,003.28 km) |
