| Blackburn to Corinth (Mississippi) | 4,166.24 mi (6,704.91 km) |
| Blackburn to Corinth (Texas) | 4,583.64 mi (7,376.65 km) |
| Blackburn to Cornelius (North Carolina) | 3,842.30 mi (6,183.59 km) |
| Blackburn to Cornelius (Oregon) | 4,740.78 mi (7,629.55 km) |
| Blackburn to Corning (New York) | 3,376.65 mi (5,434.19 km) |
| Blackburn to Corona (California) | 5,254.18 mi (8,455.79 km) |
| Blackburn to Coronado (California) | 5,310.24 mi (8,546.01 km) |
| Blackburn to Corpus Christi (Texas) | 4,884.90 mi (7,861.49 km) |
| Blackburn to Corsicana (Texas) | 4,617.30 mi (7,430.83 km) |
| Blackburn to Cortland (New York) | 3,322.24 mi (5,346.63 km) |
| Blackburn to Corvallis (Oregon) | 4,801.81 mi (7,727.76 km) |
| Blackburn to Coshocton (Ohio) | 3,648.88 mi (5,872.30 km) |
| Blackburn to Costa Mesa (California) | 5,276.45 mi (8,491.62 km) |
| Blackburn to Coto de Caza (California) | 5,270.16 mi (8,481.51 km) |
| Blackburn to Cottage Grove (Minnesota) | 3,840.79 mi (6,181.15 km) |
