| Seia to Centralia (Illinois) | 4,178.91 mi (6,725.31 km) |
| Seia to Centralia (Washington) | 5,220.94 mi (8,402.28 km) |
| Seia to Centreville (Virginia) | 3,611.15 mi (5,811.59 km) |
| Seia to Ceres (California) | 5,592.77 mi (9,000.69 km) |
| Seia to Cerritos (California) | 5,656.92 mi (9,103.93 km) |
| Seia to Chalco (Nebraska) | 4,403.25 mi (7,086.35 km) |
| Seia to Chalmette (Louisiana) | 4,535.33 mi (7,298.92 km) |
| Seia to Chambersburg (Pennsylvania) | 3,589.62 mi (5,776.93 km) |
| Seia to Chamblee (Georgia) | 4,109.01 mi (6,612.81 km) |
| Seia to Champaign (Illinois) | 4,085.18 mi (6,574.47 km) |
| Seia to Champlin (Minnesota) | 4,144.63 mi (6,670.14 km) |
| Seia to Chandler (Arizona) | 5,420.23 mi (8,723.01 km) |
| Seia to Chanhassen (Minnesota) | 4,162.51 mi (6,698.91 km) |
| Seia to Channahon (Illinois) | 4,041.32 mi (6,503.88 km) |
| Seia to Channelview (Texas) | 4,794.44 mi (7,715.91 km) |
