| Cobh to Carson (California) | 5,165.84 mi (8,313.61 km) |
| Cobh to Carson City (Nevada) | 4,923.35 mi (7,923.36 km) |
| Cobh to Carteret (New Jersey) | 3,132.50 mi (5,041.27 km) |
| Cobh to Cartersville (Georgia) | 3,861.06 mi (6,213.77 km) |
| Cobh to Carthage (Missouri) | 4,104.15 mi (6,604.98 km) |
| Cobh to Cary (Illinois) | 3,630.23 mi (5,842.29 km) |
| Cobh to Cary (North Carolina) | 3,536.07 mi (5,690.75 km) |
| Cobh to Casa de Oro-Mount Helix (California) | 5,180.07 mi (8,336.52 km) |
| Cobh to Casa Grande (Arizona) | 4,985.30 mi (8,023.07 km) |
| Cobh to Casas Adobes (Arizona) | 4,987.91 mi (8,027.27 km) |
| Cobh to Cascades (Virginia) | 3,329.89 mi (5,358.94 km) |
| Cobh to Casper (Wyoming) | 4,274.61 mi (6,879.32 km) |
| Cobh to Casselberry (Florida) | 3,981.58 mi (6,407.73 km) |
| Cobh to Castaic (California) | 5,143.19 mi (8,277.16 km) |
| Cobh to Castle Pines (Colorado) | 4,391.74 mi (7,067.82 km) |
