| Blackburn to Chantilly (Virginia) | 3,542.29 mi (5,700.76 km) |
| Blackburn to Chaparral (New Mexico) | 4,982.07 mi (8,017.86 km) |
| Blackburn to Chapel Hill (North Carolina) | 3,747.12 mi (6,030.41 km) |
| Blackburn to Charleston (Illinois) | 3,927.03 mi (6,319.95 km) |
| Blackburn to Charleston (South Carolina) | 3,937.93 mi (6,337.49 km) |
| Blackburn to Charleston (West Virginia) | 3,731.78 mi (6,005.71 km) |
| Blackburn to Charlotte (North Carolina) | 3,853.30 mi (6,201.28 km) |
| Blackburn to Charlottesville (Virginia) | 3,623.48 mi (5,831.43 km) |
| Blackburn to Chaska (Minnesota) | 3,864.67 mi (6,219.59 km) |
| Blackburn to Chatham (Illinois) | 3,974.40 mi (6,396.18 km) |
| Blackburn to Chattanooga (Tennessee) | 4,033.81 mi (6,491.79 km) |
| Blackburn to Cheat Lake (West Virginia) | 3,599.91 mi (5,793.49 km) |
| Blackburn to Chelsea (Alabama) | 4,175.56 mi (6,719.92 km) |
| Blackburn to Chelsea (Massachusetts) | 3,129.75 mi (5,036.85 km) |
| Blackburn to Cheney (Washington) | 4,480.73 mi (7,211.04 km) |
