| Altamont to Castle Rock (Colorado) | 902.25 mi (1,452.04 km) |
| Altamont to Castro Valley (California) | 310.69 mi (500.00 km) |
| Altamont to Catalina Foothills (Arizona) | 905.51 mi (1,457.27 km) |
| Altamont to Cataño (Puerto Rico) | 3,622.76 mi (5,830.27 km) |
| Altamont to Cathedral City (California) | 644.48 mi (1,037.19 km) |
| Altamont to Catonsville (Maryland) | 2,336.53 mi (3,760.29 km) |
| Altamont to Cave Spring (Virginia) | 2,221.34 mi (3,574.90 km) |
| Altamont to Cayce (South Carolina) | 2,262.14 mi (3,640.56 km) |
| Altamont to Cayey (Puerto Rico) | 3,636.02 mi (5,851.61 km) |
| Altamont to Cedar City (Utah) | 552.96 mi (889.91 km) |
| Altamont to Cedar Falls (Iowa) | 1,487.15 mi (2,393.34 km) |
| Altamont to Cedar Hill (Texas) | 1,505.72 mi (2,423.23 km) |
| Altamont to Cedar Lake (Indiana) | 1,755.39 mi (2,825.03 km) |
| Altamont to Cedar Mill (Oregon) | 236.74 mi (380.99 km) |
| Altamont to Cedar Park (Texas) | 1,548.00 mi (2,491.26 km) |
