| Blackburn to Camas (Washington) | 4,719.58 mi (7,595.42 km) |
| Blackburn to Cambridge (Maryland) | 3,504.09 mi (5,639.29 km) |
| Blackburn to Cambridge (Massachusetts) | 3,134.03 mi (5,043.73 km) |
| Blackburn to Camden (Arkansas) | 4,402.67 mi (7,085.42 km) |
| Blackburn to Camden (New Jersey) | 3,401.23 mi (5,473.75 km) |
| Blackburn to Cameron Park (California) | 5,080.08 mi (8,175.60 km) |
| Blackburn to Camp Pendleton South (California) | 5,284.95 mi (8,505.30 km) |
| Blackburn to Camp Springs (Maryland) | 3,525.42 mi (5,673.61 km) |
| Blackburn to Camp Verde (Arizona) | 5,028.65 mi (8,092.83 km) |
| Blackburn to Campbell (California) | 5,189.58 mi (8,351.82 km) |
| Blackburn to Campbellsville (Kentucky) | 3,924.61 mi (6,316.05 km) |
| Blackburn to Campton Hills (Illinois) | 3,816.15 mi (6,141.50 km) |
| Blackburn to Canby (Oregon) | 4,745.76 mi (7,637.56 km) |
| Blackburn to Candelaria (Puerto Rico) | 4,132.35 mi (6,650.38 km) |
| Blackburn to Candler-McAfee (Georgia) | 4,062.90 mi (6,538.60 km) |
