| Efkarpia to Carson (California) | 6,726.27 mi (10,824.89 km) |
| Efkarpia to Carson City (Nevada) | 6,441.01 mi (10,365.80 km) |
| Efkarpia to Carteret (New Jersey) | 4,793.86 mi (7,714.96 km) |
| Efkarpia to Cartersville (Georgia) | 5,522.93 mi (8,888.30 km) |
| Efkarpia to Carthage (Missouri) | 5,755.31 mi (9,262.27 km) |
| Efkarpia to Cary (Illinois) | 5,279.77 mi (8,496.98 km) |
| Efkarpia to Cary (North Carolina) | 5,194.90 mi (8,360.38 km) |
| Efkarpia to Casa de Oro-Mount Helix (California) | 6,754.97 mi (10,871.08 km) |
| Efkarpia to Casa Grande (Arizona) | 6,590.15 mi (10,605.82 km) |
| Efkarpia to Casas Adobes (Arizona) | 6,599.05 mi (10,620.14 km) |
| Efkarpia to Cascades (Virginia) | 4,991.56 mi (8,033.14 km) |
| Efkarpia to Casper (Wyoming) | 5,856.44 mi (9,425.03 km) |
| Efkarpia to Casselberry (Florida) | 5,627.79 mi (9,057.06 km) |
| Efkarpia to Castaic (California) | 6,697.38 mi (10,778.39 km) |
| Efkarpia to Castle Pines (Colorado) | 5,999.29 mi (9,654.93 km) |
