| Macomb to Opole | 4,810.78 mi (7,742.21 km) |
| Macomb to Orzesze | 4,861.28 mi (7,823.48 km) |
| Macomb to Osowa | 4,663.53 mi (7,505.22 km) |
| Macomb to Ostroda | 4,742.29 mi (7,631.98 km) |
| Macomb to Ostroleka | 4,820.80 mi (7,758.33 km) |
| Macomb to Ostrow Mazowiecka | 4,843.41 mi (7,794.71 km) |
| Macomb to Ostrow Wielkopolski | 4,763.64 mi (7,666.34 km) |
| Macomb to Ostrowiec Swietokrzyski | 4,913.38 mi (7,907.32 km) |
| Macomb to Ostrzeszow | 4,777.74 mi (7,689.02 km) |
| Macomb to Oswiecim | 4,882.19 mi (7,857.12 km) |
| Macomb to Otwock | 4,854.77 mi (7,813.00 km) |
| Macomb to Ozarow Mazowiecki | 4,835.35 mi (7,781.74 km) |
| Macomb to Ozimek | 4,819.91 mi (7,756.90 km) |
| Macomb to Ozorkow | 4,797.76 mi (7,721.25 km) |
| Macomb to Pabianice | 4,815.17 mi (7,749.27 km) |
