| Parker to Cibolo (Texas) | 781.55 mi (1,257.79 km) |
| Parker to Cicero (Illinois) | 904.57 mi (1,455.76 km) |
| Parker to Cimarron Hills (Colorado) | 45.00 mi (72.43 km) |
| Parker to Cincinnati (Ohio) | 1,081.36 mi (1,740.29 km) |
| Parker to Cinco Ranch (Texas) | 846.49 mi (1,362.30 km) |
| Parker to Circleville (Ohio) | 1,160.66 mi (1,867.90 km) |
| Parker to Citrus (California) | 814.35 mi (1,310.57 km) |
| Parker to Citrus Heights (California) | 885.92 mi (1,425.76 km) |
| Parker to Citrus Park (Florida) | 1,494.01 mi (2,404.37 km) |
| Parker to Claiborne (Louisiana) | 850.68 mi (1,369.04 km) |
| Parker to Claremont (California) | 805.48 mi (1,296.30 km) |
| Parker to Claremont (New Hampshire) | 1,690.31 mi (2,720.28 km) |
| Parker to Claremore (Oklahoma) | 545.85 mi (878.47 km) |
| Parker to Clarksburg (Maryland) | 1,463.83 mi (2,355.80 km) |
| Parker to Clarksburg (West Virginia) | 1,301.62 mi (2,094.76 km) |
