| Blackburn to Culpeper (Virginia) | 3,583.79 mi (5,767.56 km) |
| Blackburn to Culver City (California) | 5,272.07 mi (8,484.58 km) |
| Blackburn to Cumberland (Maryland) | 3,557.84 mi (5,725.80 km) |
| Blackburn to Cupertino (California) | 5,190.15 mi (8,352.74 km) |
| Blackburn to Cutler Bay (Florida) | 4,324.45 mi (6,959.53 km) |
| Blackburn to Cutlerville (Michigan) | 3,672.23 mi (5,909.88 km) |
| Blackburn to Cuyahoga Falls (Ohio) | 3,593.91 mi (5,783.84 km) |
| Blackburn to Cypress (California) | 5,271.71 mi (8,484.00 km) |
| Blackburn to Cypress Gardens (Florida) | 4,252.49 mi (6,843.72 km) |
| Blackburn to Cypress Lake (Florida) | 4,337.40 mi (6,980.37 km) |
| Blackburn to D'Iberville (Mississippi) | 4,411.40 mi (7,099.45 km) |
| Blackburn to Dakota Ridge (Colorado) | 4,526.58 mi (7,284.83 km) |
| Blackburn to Dale City (Virginia) | 3,549.65 mi (5,712.62 km) |
| Blackburn to Dallas (Georgia) | 4,075.75 mi (6,559.28 km) |
| Blackburn to Dallas (Oregon) | 4,782.30 mi (7,696.36 km) |
