| Drogheda to Carson (California) | 5,154.66 mi (8,295.62 km) |
| Drogheda to Carson City (Nevada) | 4,900.86 mi (7,887.17 km) |
| Drogheda to Carteret (New Jersey) | 3,183.66 mi (5,123.61 km) |
| Drogheda to Cartersville (Georgia) | 3,909.50 mi (6,291.74 km) |
| Drogheda to Carthage (Missouri) | 4,129.54 mi (6,645.85 km) |
| Drogheda to Cary (Illinois) | 3,654.18 mi (5,880.83 km) |
| Drogheda to Cary (North Carolina) | 3,591.40 mi (5,779.80 km) |
| Drogheda to Casa de Oro-Mount Helix (California) | 5,173.02 mi (8,325.17 km) |
| Drogheda to Casa Grande (Arizona) | 4,987.68 mi (8,026.90 km) |
| Drogheda to Casas Adobes (Arizona) | 4,992.65 mi (8,034.89 km) |
| Drogheda to Cascades (Virginia) | 3,379.78 mi (5,439.23 km) |
| Drogheda to Casper (Wyoming) | 4,267.92 mi (6,868.56 km) |
| Drogheda to Casselberry (Florida) | 4,047.49 mi (6,513.81 km) |
| Drogheda to Castaic (California) | 5,130.28 mi (8,256.39 km) |
| Drogheda to Castle Pines (Colorado) | 4,394.27 mi (7,071.90 km) |
