| Alpen to Cicero (Illinois) | 4,199.59 mi (6,758.58 km) |
| Alpen to Cimarron Hills (Colorado) | 4,943.82 mi (7,956.31 km) |
| Alpen to Cincinnati (Ohio) | 4,209.50 mi (6,774.54 km) |
| Alpen to Cinco Ranch (Texas) | 5,120.01 mi (8,239.86 km) |
| Alpen to Circleville (Ohio) | 4,126.97 mi (6,641.72 km) |
| Alpen to Citrus (California) | 5,627.57 mi (9,056.70 km) |
| Alpen to Citrus Heights (California) | 5,451.67 mi (8,773.61 km) |
| Alpen to Citrus Park (Florida) | 4,685.87 mi (7,541.19 km) |
| Alpen to Claiborne (Louisiana) | 4,836.52 mi (7,783.63 km) |
| Alpen to Claremont (California) | 5,621.83 mi (9,047.45 km) |
| Alpen to Claremont (New Hampshire) | 3,543.54 mi (5,702.78 km) |
| Alpen to Claremore (Oklahoma) | 4,765.62 mi (7,669.53 km) |
| Alpen to Clarksburg (Maryland) | 3,924.40 mi (6,315.72 km) |
| Alpen to Clarksburg (West Virginia) | 4,041.44 mi (6,504.06 km) |
| Alpen to Clarksdale (Mississippi) | 4,688.56 mi (7,545.52 km) |
