| Seia to Carson (California) | 5,666.12 mi (9,118.74 km) |
| Seia to Carson City (Nevada) | 5,470.51 mi (8,803.93 km) |
| Seia to Carteret (New Jersey) | 3,406.09 mi (5,481.57 km) |
| Seia to Cartersville (Georgia) | 4,123.75 mi (6,636.53 km) |
| Seia to Carthage (Missouri) | 4,470.35 mi (7,194.33 km) |
| Seia to Cary (Illinois) | 4,015.12 mi (6,461.72 km) |
| Seia to Cary (North Carolina) | 3,773.85 mi (6,073.42 km) |
| Seia to Casa de Oro-Mount Helix (California) | 5,663.64 mi (9,114.75 km) |
| Seia to Casa Grande (Arizona) | 5,433.41 mi (8,744.23 km) |
| Seia to Casas Adobes (Arizona) | 5,426.03 mi (8,732.35 km) |
| Seia to Cascades (Virginia) | 3,602.52 mi (5,797.69 km) |
| Seia to Casper (Wyoming) | 4,772.14 mi (7,680.02 km) |
| Seia to Casselberry (Florida) | 4,148.35 mi (6,676.12 km) |
| Seia to Castaic (California) | 5,650.63 mi (9,093.80 km) |
| Seia to Castle Pines (Colorado) | 4,850.20 mi (7,805.65 km) |
