| Sofia to Corinth (Mississippi) | 5,564.91 mi (8,955.86 km) |
| Sofia to Corinth (Texas) | 5,983.09 mi (9,628.85 km) |
| Sofia to Cornelius (North Carolina) | 5,231.95 mi (8,420.02 km) |
| Sofia to Cornelius (Oregon) | 6,000.37 mi (9,656.66 km) |
| Sofia to Corning (New York) | 4,773.93 mi (7,682.90 km) |
| Sofia to Corona (California) | 6,597.81 mi (10,618.15 km) |
| Sofia to Coronado (California) | 6,659.94 mi (10,718.14 km) |
| Sofia to Corpus Christi (Texas) | 6,284.47 mi (10,113.88 km) |
| Sofia to Corsicana (Texas) | 6,017.31 mi (9,683.93 km) |
| Sofia to Cortland (New York) | 4,719.40 mi (7,595.14 km) |
| Sofia to Corvallis (Oregon) | 6,064.79 mi (9,760.33 km) |
| Sofia to Coshocton (Ohio) | 5,047.62 mi (8,123.37 km) |
| Sofia to Costa Mesa (California) | 6,619.03 mi (10,652.30 km) |
| Sofia to Coto de Caza (California) | 6,614.62 mi (10,645.21 km) |
| Sofia to Cottage Grove (Minnesota) | 5,228.92 mi (8,415.14 km) |
