| Richland to Cloverleaf (Texas) | 1,725.76 mi (2,777.34 km) |
| Richland to Cloverly (Maryland) | 2,176.96 mi (3,503.48 km) |
| Richland to Clovis (California) | 653.56 mi (1,051.80 km) |
| Richland to Clovis (New Mexico) | 1,174.01 mi (1,889.38 km) |
| Richland to Clute (Texas) | 1,756.37 mi (2,826.61 km) |
| Richland to Coachella (California) | 885.66 mi (1,425.34 km) |
| Richland to Coalinga (California) | 702.66 mi (1,130.82 km) |
| Richland to Coamo (Puerto Rico) | 3,569.55 mi (5,744.63 km) |
| Richland to Coatesville (Pennsylvania) | 2,206.05 mi (3,550.29 km) |
| Richland to Cockeysville (Maryland) | 2,182.93 mi (3,513.08 km) |
| Richland to Cocoa (Florida) | 2,417.68 mi (3,890.88 km) |
| Richland to Cocoa Beach (Florida) | 2,426.33 mi (3,904.80 km) |
| Richland to Coconut Creek (Florida) | 2,541.94 mi (4,090.86 km) |
| Richland to Coeur d'Alene (Idaho) | 153.39 mi (246.85 km) |
| Richland to Cohoes (New York) | 2,227.35 mi (3,584.57 km) |
