| Blackburn to Centralia (Illinois) | 4,010.01 mi (6,453.48 km) |
| Blackburn to Centralia (Washington) | 4,669.14 mi (7,514.25 km) |
| Blackburn to Centreville (Virginia) | 3,544.28 mi (5,703.97 km) |
| Blackburn to Ceres (California) | 5,142.03 mi (8,275.30 km) |
| Blackburn to Cerritos (California) | 5,269.73 mi (8,480.81 km) |
| Blackburn to Chalco (Nebraska) | 4,133.56 mi (6,652.33 km) |
| Blackburn to Chalmette (Louisiana) | 4,480.57 mi (7,210.77 km) |
| Blackburn to Chambersburg (Pennsylvania) | 3,501.64 mi (5,635.34 km) |
| Blackburn to Chamblee (Georgia) | 4,056.08 mi (6,527.63 km) |
| Blackburn to Champaign (Illinois) | 3,899.79 mi (6,276.10 km) |
| Blackburn to Champlin (Minnesota) | 3,839.94 mi (6,179.78 km) |
| Blackburn to Chandler (Arizona) | 5,100.75 mi (8,208.87 km) |
| Blackburn to Chanhassen (Minnesota) | 3,861.18 mi (6,213.97 km) |
| Blackburn to Channahon (Illinois) | 3,835.83 mi (6,173.18 km) |
| Blackburn to Channelview (Texas) | 4,687.71 mi (7,544.13 km) |
