| Ostrow Mazowiecka to Cicero (Illinois) | 4,675.94 mi (7,525.20 km) |
| Ostrow Mazowiecka to Cimarron Hills (Colorado) | 5,344.10 mi (8,600.50 km) |
| Ostrow Mazowiecka to Cincinnati (Ohio) | 4,716.48 mi (7,590.45 km) |
| Ostrow Mazowiecka to Cinco Ranch (Texas) | 5,616.66 mi (9,039.14 km) |
| Ostrow Mazowiecka to Circleville (Ohio) | 4,638.66 mi (7,465.20 km) |
| Ostrow Mazowiecka to Citrus (California) | 5,962.91 mi (9,596.37 km) |
| Ostrow Mazowiecka to Citrus Heights (California) | 5,741.49 mi (9,240.04 km) |
| Ostrow Mazowiecka to Citrus Park (Florida) | 5,252.36 mi (8,452.86 km) |
| Ostrow Mazowiecka to Claiborne (Louisiana) | 5,339.03 mi (8,592.34 km) |
| Ostrow Mazowiecka to Claremont (California) | 5,958.38 mi (9,589.09 km) |
| Ostrow Mazowiecka to Claremont (New Hampshire) | 4,078.49 mi (6,563.69 km) |
| Ostrow Mazowiecka to Claremore (Oklahoma) | 5,231.60 mi (8,419.44 km) |
| Ostrow Mazowiecka to Clarksburg (Maryland) | 4,462.76 mi (7,182.12 km) |
| Ostrow Mazowiecka to Clarksburg (West Virginia) | 4,566.46 mi (7,349.00 km) |
| Ostrow Mazowiecka to Clarksdale (Mississippi) | 5,191.46 mi (8,354.85 km) |
