| Conwy to Carson (California) | 5,254.94 mi (8,457.02 km) |
| Conwy to Carson City (Nevada) | 4,997.97 mi (8,043.46 km) |
| Conwy to Carteret (New Jersey) | 3,291.48 mi (5,297.12 km) |
| Conwy to Cartersville (Georgia) | 4,017.41 mi (6,465.40 km) |
| Conwy to Carthage (Missouri) | 4,236.53 mi (6,818.04 km) |
| Conwy to Cary (Illinois) | 3,761.09 mi (6,052.89 km) |
| Conwy to Cary (North Carolina) | 3,699.05 mi (5,953.04 km) |
| Conwy to Casa de Oro-Mount Helix (California) | 5,274.34 mi (8,488.23 km) |
| Conwy to Casa Grande (Arizona) | 5,091.15 mi (8,193.41 km) |
| Conwy to Casas Adobes (Arizona) | 5,096.58 mi (8,202.15 km) |
| Conwy to Cascades (Virginia) | 3,487.64 mi (5,612.81 km) |
| Conwy to Casper (Wyoming) | 4,369.57 mi (7,032.14 km) |
| Conwy to Casselberry (Florida) | 4,154.29 mi (6,685.69 km) |
| Conwy to Castaic (California) | 5,230.11 mi (8,417.05 km) |
| Conwy to Castle Pines (Colorado) | 4,497.89 mi (7,238.66 km) |
