| Alton to Camas (Washington) | 4,897.89 mi (7,882.39 km) |
| Alton to Cambridge (Maryland) | 3,613.81 mi (5,815.86 km) |
| Alton to Cambridge (Massachusetts) | 3,245.68 mi (5,223.42 km) |
| Alton to Camden (Arkansas) | 4,530.59 mi (7,291.27 km) |
| Alton to Camden (New Jersey) | 3,512.88 mi (5,653.44 km) |
| Alton to Cameron Park (California) | 5,251.95 mi (8,452.20 km) |
| Alton to Camp Pendleton South (California) | 5,448.00 mi (8,767.70 km) |
| Alton to Camp Springs (Maryland) | 3,637.29 mi (5,853.65 km) |
| Alton to Camp Verde (Arizona) | 5,186.21 mi (8,346.39 km) |
| Alton to Campbell (California) | 5,361.26 mi (8,628.12 km) |
| Alton to Campbellsville (Kentucky) | 4,047.50 mi (6,513.81 km) |
| Alton to Campton Hills (Illinois) | 3,953.38 mi (6,362.35 km) |
| Alton to Canby (Oregon) | 4,924.03 mi (7,924.46 km) |
| Alton to Candelaria (Puerto Rico) | 4,167.71 mi (6,707.29 km) |
| Alton to Candler-McAfee (Georgia) | 4,176.07 mi (6,720.74 km) |
