| Acton to Cicero (Illinois) | 3,948.41 mi (6,354.35 km) |
| Acton to Cimarron Hills (Colorado) | 4,716.45 mi (7,590.40 km) |
| Acton to Cincinnati (Ohio) | 3,948.01 mi (6,353.71 km) |
| Acton to Cinco Ranch (Texas) | 4,859.37 mi (7,820.40 km) |
| Acton to Circleville (Ohio) | 3,864.19 mi (6,218.82 km) |
| Acton to Citrus (California) | 5,420.57 mi (8,723.56 km) |
| Acton to Citrus Heights (California) | 5,262.74 mi (8,469.56 km) |
| Acton to Citrus Park (Florida) | 4,405.93 mi (7,090.66 km) |
| Acton to Claiborne (Louisiana) | 4,574.76 mi (7,362.36 km) |
| Acton to Claremont (California) | 5,414.40 mi (8,713.64 km) |
| Acton to Claremont (New Hampshire) | 3,274.93 mi (5,270.50 km) |
| Acton to Claremore (Oklahoma) | 4,515.99 mi (7,267.78 km) |
| Acton to Clarksburg (Maryland) | 3,653.72 mi (5,880.09 km) |
| Acton to Clarksburg (West Virginia) | 3,774.62 mi (6,074.66 km) |
| Acton to Clarksdale (Mississippi) | 4,427.06 mi (7,124.67 km) |
