| Santa Monica to Cadillac (Michigan) | 1,891.81 mi (3,044.57 km) |
| Santa Monica to Caguas (Puerto Rico) | 3,391.62 mi (5,458.29 km) |
| Santa Monica to Cahokia (Illinois) | 1,600.35 mi (2,575.52 km) |
| Santa Monica to Calabasas (California) | 13.33 mi (21.45 km) |
| Santa Monica to Caldwell (Idaho) | 671.94 mi (1,081.39 km) |
| Santa Monica to Caledonia (Wisconsin) | 1,752.70 mi (2,820.70 km) |
| Santa Monica to Calera (Alabama) | 1,820.66 mi (2,930.06 km) |
| Santa Monica to Calexico (California) | 195.60 mi (314.78 km) |
| Santa Monica to Calhoun (Georgia) | 1,906.90 mi (3,068.86 km) |
| Santa Monica to California (Maryland) | 2,340.56 mi (3,766.77 km) |
| Santa Monica to California City (California) | 85.68 mi (137.89 km) |
| Santa Monica to Callaway (Florida) | 1,937.76 mi (3,118.52 km) |
| Santa Monica to Calumet City (Illinois) | 1,756.97 mi (2,827.56 km) |
| Santa Monica to Calverton (Maryland) | 2,311.40 mi (3,719.83 km) |
| Santa Monica to Camano (Washington) | 1,000.01 mi (1,609.35 km) |
