| Lake Tapps to Cordele (Georgia) | 2,270.02 mi (3,653.24 km) |
| Lake Tapps to Corinth (Mississippi) | 1,927.29 mi (3,101.67 km) |
| Lake Tapps to Corinth (Texas) | 1,631.92 mi (2,626.32 km) |
| Lake Tapps to Cornelius (North Carolina) | 2,259.16 mi (3,635.77 km) |
| Lake Tapps to Cornelius (Oregon) | 125.52 mi (202.01 km) |
| Lake Tapps to Corning (New York) | 2,212.09 mi (3,560.02 km) |
| Lake Tapps to Corona (California) | 954.37 mi (1,535.92 km) |
| Lake Tapps to Coronado (California) | 1,040.21 mi (1,674.06 km) |
| Lake Tapps to Corpus Christi (Texas) | 1,898.37 mi (3,055.13 km) |
| Lake Tapps to Corsicana (Texas) | 1,708.34 mi (2,749.31 km) |
| Lake Tapps to Cortland (New York) | 2,239.79 mi (3,604.60 km) |
| Lake Tapps to Corvallis (Oregon) | 191.41 mi (308.05 km) |
| Lake Tapps to Coshocton (Ohio) | 2,045.08 mi (3,291.23 km) |
| Lake Tapps to Costa Mesa (California) | 963.14 mi (1,550.02 km) |
| Lake Tapps to Coto de Caza (California) | 971.99 mi (1,564.26 km) |
