| Parker to Cloverleaf (Texas) | 864.30 mi (1,390.95 km) |
| Parker to Cloverly (Maryland) | 1,479.28 mi (2,380.67 km) |
| Parker to Clovis (California) | 829.66 mi (1,335.20 km) |
| Parker to Clovis (New Mexico) | 361.07 mi (581.09 km) |
| Parker to Clute (Texas) | 899.56 mi (1,447.70 km) |
| Parker to Coachella (California) | 746.88 mi (1,201.98 km) |
| Parker to Coalinga (California) | 878.61 mi (1,413.99 km) |
| Parker to Coamo (Puerto Rico) | 2,726.16 mi (4,387.33 km) |
| Parker to Coatesville (Pennsylvania) | 1,531.79 mi (2,465.17 km) |
| Parker to Cockeysville (Maryland) | 1,494.51 mi (2,405.18 km) |
| Parker to Cocoa (Florida) | 1,569.00 mi (2,525.06 km) |
| Parker to Cocoa Beach (Florida) | 1,577.91 mi (2,539.40 km) |
| Parker to Coconut Creek (Florida) | 1,685.50 mi (2,712.56 km) |
| Parker to Coeur d'Alene (Idaho) | 824.17 mi (1,326.38 km) |
| Parker to Cohoes (New York) | 1,622.89 mi (2,611.79 km) |
