| Ada to Chantilly (Virginia) | 4,681.73 mi (7,534.51 km) |
| Ada to Chaparral (New Mexico) | 6,105.40 mi (9,825.69 km) |
| Ada to Chapel Hill (North Carolina) | 4,884.28 mi (7,860.50 km) |
| Ada to Charleston (Illinois) | 5,066.83 mi (8,154.27 km) |
| Ada to Charleston (South Carolina) | 5,071.13 mi (8,161.20 km) |
| Ada to Charleston (West Virginia) | 4,873.14 mi (7,842.57 km) |
| Ada to Charlotte (North Carolina) | 4,991.42 mi (8,032.92 km) |
| Ada to Charlottesville (Virginia) | 4,762.82 mi (7,665.02 km) |
| Ada to Chaska (Minnesota) | 4,986.49 mi (8,024.98 km) |
| Ada to Chatham (Illinois) | 5,112.74 mi (8,228.15 km) |
| Ada to Chattanooga (Tennessee) | 5,175.00 mi (8,328.36 km) |
| Ada to Cheat Lake (West Virginia) | 4,741.29 mi (7,630.36 km) |
| Ada to Chelsea (Alabama) | 5,316.47 mi (8,556.04 km) |
| Ada to Chelsea (Massachusetts) | 4,268.39 mi (6,869.31 km) |
| Ada to Cheney (Washington) | 5,502.00 mi (8,854.61 km) |
