| Hoffman Estates to Opole | 4,641.59 mi (7,469.91 km) |
| Hoffman Estates to Orzesze | 4,692.05 mi (7,551.13 km) |
| Hoffman Estates to Osowa | 4,496.30 mi (7,236.09 km) |
| Hoffman Estates to Ostroda | 4,575.05 mi (7,362.84 km) |
| Hoffman Estates to Ostroleka | 4,653.66 mi (7,489.35 km) |
| Hoffman Estates to Ostrow Mazowiecka | 4,676.22 mi (7,525.65 km) |
| Hoffman Estates to Ostrow Wielkopolski | 4,594.84 mi (7,394.68 km) |
| Hoffman Estates to Ostrowiec Swietokrzyski | 4,745.12 mi (7,636.53 km) |
| Hoffman Estates to Ostrzeszow | 4,608.86 mi (7,417.24 km) |
| Hoffman Estates to Oswiecim | 4,713.02 mi (7,584.87 km) |
| Hoffman Estates to Otwock | 4,687.05 mi (7,543.08 km) |
| Hoffman Estates to Ozarow Mazowiecki | 4,667.55 mi (7,511.70 km) |
| Hoffman Estates to Ozimek | 4,650.78 mi (7,484.70 km) |
| Hoffman Estates to Ozorkow | 4,629.45 mi (7,450.39 km) |
| Hoffman Estates to Pabianice | 4,646.74 mi (7,478.20 km) |
