| Hard to Centralia (Illinois) | 4,683.36 mi (7,537.14 km) |
| Hard to Centralia (Washington) | 5,329.06 mi (8,576.29 km) |
| Hard to Centreville (Virginia) | 4,197.26 mi (6,754.84 km) |
| Hard to Ceres (California) | 5,818.19 mi (9,363.48 km) |
| Hard to Cerritos (California) | 5,952.04 mi (9,578.89 km) |
| Hard to Chalco (Nebraska) | 4,816.86 mi (7,751.98 km) |
| Hard to Chalmette (Louisiana) | 5,137.19 mi (8,267.50 km) |
| Hard to Chambersburg (Pennsylvania) | 4,158.60 mi (6,692.63 km) |
| Hard to Chamblee (Georgia) | 4,709.75 mi (7,579.62 km) |
| Hard to Champaign (Illinois) | 4,574.78 mi (7,362.40 km) |
| Hard to Champlin (Minnesota) | 4,524.39 mi (7,281.30 km) |
| Hard to Chandler (Arizona) | 5,785.95 mi (9,311.59 km) |
| Hard to Chanhassen (Minnesota) | 4,545.53 mi (7,315.32 km) |
| Hard to Channahon (Illinois) | 4,512.92 mi (7,262.85 km) |
| Hard to Channelview (Texas) | 5,354.87 mi (8,617.83 km) |
