| Richland to Castle Pines (Colorado) | 867.11 mi (1,395.47 km) |
| Richland to Castle Rock (Colorado) | 871.47 mi (1,402.50 km) |
| Richland to Castro Valley (California) | 609.09 mi (980.24 km) |
| Richland to Catalina Foothills (Arizona) | 1,063.85 mi (1,712.10 km) |
| Richland to Cataño (Puerto Rico) | 3,562.01 mi (5,732.50 km) |
| Richland to Cathedral City (California) | 872.71 mi (1,404.50 km) |
| Richland to Catonsville (Maryland) | 2,184.26 mi (3,515.22 km) |
| Richland to Cave Spring (Virginia) | 2,095.40 mi (3,372.21 km) |
| Richland to Cayce (South Carolina) | 2,167.47 mi (3,488.20 km) |
| Richland to Cayey (Puerto Rico) | 3,576.93 mi (5,756.52 km) |
| Richland to Cedar City (Utah) | 673.53 mi (1,083.94 km) |
| Richland to Cedar Falls (Iowa) | 1,343.44 mi (2,162.06 km) |
| Richland to Cedar Hill (Texas) | 1,512.94 mi (2,434.85 km) |
| Richland to Cedar Lake (Indiana) | 1,612.23 mi (2,594.63 km) |
| Richland to Cedar Mill (Oregon) | 176.29 mi (283.71 km) |
