| Richland to Cadillac (Michigan) | 1,640.81 mi (2,640.63 km) |
| Richland to Caguas (Puerto Rico) | 3,576.94 mi (5,756.53 km) |
| Richland to Cahokia (Illinois) | 1,567.11 mi (2,522.03 km) |
| Richland to Calabasas (California) | 839.77 mi (1,351.48 km) |
| Richland to Caldwell (Idaho) | 223.10 mi (359.04 km) |
| Richland to Caledonia (Wisconsin) | 1,555.35 mi (2,503.10 km) |
| Richland to Calera (Alabama) | 1,935.51 mi (3,114.90 km) |
| Richland to Calexico (California) | 960.79 mi (1,546.24 km) |
| Richland to Calhoun (Georgia) | 1,963.23 mi (3,159.52 km) |
| Richland to California (Maryland) | 2,227.07 mi (3,584.12 km) |
| Richland to California City (California) | 772.20 mi (1,242.73 km) |
| Richland to Callaway (Florida) | 2,120.85 mi (3,413.17 km) |
| Richland to Calumet City (Illinois) | 1,600.40 mi (2,575.60 km) |
| Richland to Calverton (Maryland) | 2,180.91 mi (3,509.84 km) |
| Richland to Camano (Washington) | 198.77 mi (319.89 km) |
