| Seia to Corinth (Mississippi) | 4,276.63 mi (6,882.57 km) |
| Seia to Corinth (Texas) | 4,753.87 mi (7,650.61 km) |
| Seia to Cornelius (North Carolina) | 3,885.90 mi (6,253.75 km) |
| Seia to Cornelius (Oregon) | 5,282.32 mi (8,501.07 km) |
| Seia to Corning (New York) | 3,499.21 mi (5,631.43 km) |
| Seia to Corona (California) | 5,636.34 mi (9,070.81 km) |
| Seia to Coronado (California) | 5,676.43 mi (9,135.34 km) |
| Seia to Corpus Christi (Texas) | 4,989.37 mi (8,029.62 km) |
| Seia to Corsicana (Texas) | 4,767.69 mi (7,672.85 km) |
| Seia to Cortland (New York) | 3,445.83 mi (5,545.52 km) |
| Seia to Corvallis (Oregon) | 5,336.58 mi (8,588.40 km) |
| Seia to Coshocton (Ohio) | 3,779.85 mi (6,083.08 km) |
| Seia to Costa Mesa (California) | 5,660.12 mi (9,109.08 km) |
| Seia to Coto de Caza (California) | 5,649.89 mi (9,092.62 km) |
| Seia to Cottage Grove (Minnesota) | 4,136.55 mi (6,657.14 km) |
