| Ostrow Mazowiecka to Cloverly (Maryland) | 4,459.45 mi (7,176.79 km) |
| Ostrow Mazowiecka to Clovis (California) | 5,828.73 mi (9,380.43 km) |
| Ostrow Mazowiecka to Clovis (New Mexico) | 5,567.10 mi (8,959.38 km) |
| Ostrow Mazowiecka to Clute (Texas) | 5,646.24 mi (9,086.75 km) |
| Ostrow Mazowiecka to Coachella (California) | 5,950.00 mi (9,575.61 km) |
| Ostrow Mazowiecka to Coalinga (California) | 5,886.00 mi (9,472.61 km) |
| Ostrow Mazowiecka to Coamo (Puerto Rico) | 5,158.42 mi (8,301.68 km) |
| Ostrow Mazowiecka to Coatesville (Pennsylvania) | 4,372.32 mi (7,036.57 km) |
| Ostrow Mazowiecka to Cockeysville (Maryland) | 4,426.99 mi (7,124.55 km) |
| Ostrow Mazowiecka to Cocoa (Florida) | 5,169.03 mi (8,318.75 km) |
| Ostrow Mazowiecka to Cocoa Beach (Florida) | 5,166.52 mi (8,314.71 km) |
| Ostrow Mazowiecka to Coconut Creek (Florida) | 5,262.26 mi (8,468.78 km) |
| Ostrow Mazowiecka to Coeur d'Alene (Idaho) | 5,080.33 mi (8,176.00 km) |
| Ostrow Mazowiecka to Cohoes (New York) | 4,156.77 mi (6,689.67 km) |
| Ostrow Mazowiecka to Cold Springs (Nevada) | 5,651.43 mi (9,095.10 km) |
