| San Juan to Clemson (South Carolina) | 1,524.46 mi (2,453.38 km) |
| San Juan to Clermont (Florida) | 1,212.57 mi (1,951.44 km) |
| San Juan to Cleveland (Mississippi) | 1,853.81 mi (2,983.42 km) |
| San Juan to Cleveland (Ohio) | 1,841.73 mi (2,963.98 km) |
| San Juan to Cleveland (Tennessee) | 1,634.33 mi (2,630.19 km) |
| San Juan to Cleveland Heights (Ohio) | 1,840.28 mi (2,961.64 km) |
| San Juan to Cliffside Park (New Jersey) | 1,619.05 mi (2,605.61 km) |
| San Juan to Clifton (Colorado) | 2,903.22 mi (4,672.29 km) |
| San Juan to Clifton (New Jersey) | 1,624.65 mi (2,614.62 km) |
| San Juan to Clinton (Iowa) | 2,155.28 mi (3,468.58 km) |
| San Juan to Clinton (Maryland) | 1,549.63 mi (2,493.88 km) |
| San Juan to Clinton (Mississippi) | 1,789.27 mi (2,879.55 km) |
| San Juan to Clinton (Utah) | 3,126.45 mi (5,031.53 km) |
| San Juan to Clive (Iowa) | 2,288.52 mi (3,683.01 km) |
| San Juan to Cloquet (Minnesota) | 2,465.26 mi (3,967.46 km) |
