| Calumet City to Orthez | 4,202.47 mi (6,763.22 km) |
| Calumet City to Orvault | 4,035.64 mi (6,494.74 km) |
| Calumet City to Osny | 4,122.88 mi (6,635.13 km) |
| Calumet City to Ostwald | 4,360.08 mi (7,016.87 km) |
| Calumet City to Ouistreham | 4,023.99 mi (6,475.99 km) |
| Calumet City to Oullins | 4,353.15 mi (7,005.72 km) |
| Calumet City to Outreau | 4,048.88 mi (6,516.04 km) |
| Calumet City to Oyonnax | 4,366.78 mi (7,027.65 km) |
| Calumet City to Ozoir-la-Ferriere | 4,156.88 mi (6,689.86 km) |
| Calumet City to Pace | 4,000.47 mi (6,438.14 km) |
| Calumet City to Palaiseau | 4,142.03 mi (6,665.95 km) |
| Calumet City to Pamiers | 4,317.70 mi (6,948.67 km) |
| Calumet City to Panazol | 4,205.80 mi (6,768.57 km) |
| Calumet City to Pantin | 4,141.82 mi (6,665.61 km) |
| Calumet City to Paray-le-Monial | 4,297.90 mi (6,916.80 km) |
