| Ostrow Mazowiecka to Commerce City (Colorado) | 5,287.73 mi (8,509.78 km) |
| Ostrow Mazowiecka to Compton (California) | 5,984.65 mi (9,631.36 km) |
| Ostrow Mazowiecka to Comstock Park (Michigan) | 4,544.98 mi (7,314.45 km) |
| Ostrow Mazowiecka to Concord (California) | 5,802.03 mi (9,337.46 km) |
| Ostrow Mazowiecka to Concord (Missouri) | 4,942.33 mi (7,953.91 km) |
| Ostrow Mazowiecka to Concord (New Hampshire) | 4,058.23 mi (6,531.09 km) |
| Ostrow Mazowiecka to Concord (North Carolina) | 4,784.45 mi (7,699.83 km) |
| Ostrow Mazowiecka to Conneaut (Ohio) | 4,436.29 mi (7,139.53 km) |
| Ostrow Mazowiecka to Connersville (Indiana) | 4,709.70 mi (7,579.54 km) |
| Ostrow Mazowiecka to Conroe (Texas) | 5,573.72 mi (8,970.04 km) |
| Ostrow Mazowiecka to Converse (Texas) | 5,711.88 mi (9,192.38 km) |
| Ostrow Mazowiecka to Conway (Arkansas) | 5,203.51 mi (8,374.25 km) |
| Ostrow Mazowiecka to Conway (Florida) | 5,183.66 mi (8,342.30 km) |
| Ostrow Mazowiecka to Conway (South Carolina) | 4,810.30 mi (7,741.43 km) |
| Ostrow Mazowiecka to Conyers (Georgia) | 4,996.78 mi (8,041.54 km) |
