| Ponca City to Cloverleaf (Texas) | 491.50 mi (791.00 km) |
| Ponca City to Cloverly (Maryland) | 1,103.90 mi (1,776.56 km) |
| Ponca City to Clovis (California) | 1,248.67 mi (2,009.55 km) |
| Ponca City to Clovis (New Mexico) | 378.57 mi (609.25 km) |
| Ponca City to Clute (Texas) | 540.60 mi (870.01 km) |
| Ponca City to Coachella (California) | 1,095.14 mi (1,762.46 km) |
| Ponca City to Coalinga (California) | 1,290.26 mi (2,076.48 km) |
| Ponca City to Coamo (Puerto Rico) | 2,265.35 mi (3,645.72 km) |
| Ponca City to Coatesville (Pennsylvania) | 1,170.14 mi (1,883.16 km) |
| Ponca City to Cockeysville (Maryland) | 1,124.92 mi (1,810.38 km) |
| Ponca City to Cocoa (Florida) | 1,108.16 mi (1,783.42 km) |
| Ponca City to Cocoa Beach (Florida) | 1,117.08 mi (1,797.76 km) |
| Ponca City to Coconut Creek (Florida) | 1,225.60 mi (1,972.41 km) |
| Ponca City to Coeur d'Alene (Idaho) | 1,256.65 mi (2,022.38 km) |
| Ponca City to Cohoes (New York) | 1,304.41 mi (2,099.25 km) |
