| Altamont to Caguas (Puerto Rico) | 3,637.13 mi (5,853.40 km) |
| Altamont to Cahokia (Illinois) | 1,669.44 mi (2,686.70 km) |
| Altamont to Calabasas (California) | 581.03 mi (935.07 km) |
| Altamont to Caldwell (Idaho) | 275.05 mi (442.65 km) |
| Altamont to Caledonia (Wisconsin) | 1,713.16 mi (2,757.07 km) |
| Altamont to Calera (Alabama) | 1,997.23 mi (3,214.23 km) |
| Altamont to Calexico (California) | 740.32 mi (1,191.42 km) |
| Altamont to Calhoun (Georgia) | 2,046.07 mi (3,292.84 km) |
| Altamont to California (Maryland) | 2,372.42 mi (3,818.04 km) |
| Altamont to California City (California) | 528.81 mi (851.03 km) |
| Altamont to Callaway (Florida) | 2,162.70 mi (3,480.53 km) |
| Altamont to Calumet City (Illinois) | 1,745.94 mi (2,809.81 km) |
| Altamont to Calverton (Maryland) | 2,331.00 mi (3,751.38 km) |
| Altamont to Camano (Washington) | 415.35 mi (668.44 km) |
| Altamont to Camarillo (California) | 569.99 mi (917.32 km) |
