| Nea Smyrni to Carson (California) | 6,908.74 mi (11,118.54 km) |
| Nea Smyrni to Carson City (Nevada) | 6,627.12 mi (10,665.32 km) |
| Nea Smyrni to Carteret (New Jersey) | 4,940.15 mi (7,950.41 km) |
| Nea Smyrni to Cartersville (Georgia) | 5,669.82 mi (9,124.70 km) |
| Nea Smyrni to Carthage (Missouri) | 5,917.49 mi (9,523.28 km) |
| Nea Smyrni to Cary (Illinois) | 5,442.56 mi (8,758.95 km) |
| Nea Smyrni to Cary (North Carolina) | 5,337.35 mi (8,589.64 km) |
| Nea Smyrni to Casa de Oro-Mount Helix (California) | 6,935.73 mi (11,161.98 km) |
| Nea Smyrni to Casa Grande (Arizona) | 6,766.15 mi (10,889.06 km) |
| Nea Smyrni to Casas Adobes (Arizona) | 6,773.85 mi (10,901.45 km) |
| Nea Smyrni to Cascades (Virginia) | 5,138.34 mi (8,269.36 km) |
| Nea Smyrni to Casper (Wyoming) | 6,035.33 mi (9,712.93 km) |
| Nea Smyrni to Casselberry (Florida) | 5,760.37 mi (9,270.43 km) |
| Nea Smyrni to Castaic (California) | 6,880.49 mi (11,073.08 km) |
| Nea Smyrni to Castle Pines (Colorado) | 6,174.24 mi (9,936.48 km) |
