| Slough to Camas (Washington) | 4,889.25 mi (7,868.48 km) |
| Slough to Cambridge (Maryland) | 3,622.51 mi (5,829.86 km) |
| Slough to Cambridge (Massachusetts) | 3,253.95 mi (5,236.73 km) |
| Slough to Camden (Arkansas) | 4,535.90 mi (7,299.82 km) |
| Slough to Camden (New Jersey) | 3,521.21 mi (5,666.84 km) |
| Slough to Cameron Park (California) | 5,245.82 mi (8,442.33 km) |
| Slough to Camp Pendleton South (California) | 5,444.76 mi (8,762.49 km) |
| Slough to Camp Springs (Maryland) | 3,645.59 mi (5,867.02 km) |
| Slough to Camp Verde (Arizona) | 5,184.54 mi (8,343.71 km) |
| Slough to Campbell (California) | 5,355.20 mi (8,618.37 km) |
| Slough to Campbellsville (Kentucky) | 4,053.76 mi (6,523.90 km) |
| Slough to Campton Hills (Illinois) | 3,956.61 mi (6,367.55 km) |
| Slough to Canby (Oregon) | 4,915.40 mi (7,910.58 km) |
| Slough to Candelaria (Puerto Rico) | 4,187.52 mi (6,739.16 km) |
| Slough to Candler-McAfee (Georgia) | 4,184.23 mi (6,733.87 km) |
