| Sem to Chantilly (Virginia) | 3,888.56 mi (6,258.04 km) |
| Sem to Chaparral (New Mexico) | 5,171.73 mi (8,323.09 km) |
| Sem to Chapel Hill (North Carolina) | 4,104.40 mi (6,605.40 km) |
| Sem to Charleston (Illinois) | 4,198.81 mi (6,757.33 km) |
| Sem to Charleston (South Carolina) | 4,309.71 mi (6,935.81 km) |
| Sem to Charleston (West Virginia) | 4,055.07 mi (6,526.01 km) |
| Sem to Charlotte (North Carolina) | 4,203.84 mi (6,765.43 km) |
| Sem to Charlottesville (Virginia) | 3,969.39 mi (6,388.11 km) |
| Sem to Chaska (Minnesota) | 4,059.83 mi (6,533.67 km) |
| Sem to Chatham (Illinois) | 4,234.64 mi (6,814.99 km) |
| Sem to Chattanooga (Tennessee) | 4,356.09 mi (7,010.44 km) |
| Sem to Cheat Lake (West Virginia) | 3,924.88 mi (6,316.49 km) |
| Sem to Chelsea (Alabama) | 4,499.89 mi (7,241.87 km) |
| Sem to Chelsea (Massachusetts) | 3,488.06 mi (5,613.48 km) |
| Sem to Cheney (Washington) | 4,495.37 mi (7,234.60 km) |
