| San Juan to Carlsbad (California) | 3,310.88 mi (5,328.35 km) |
| San Juan to Carlsbad (New Mexico) | 2,554.62 mi (4,111.26 km) |
| San Juan to Carmel (Indiana) | 1,910.74 mi (3,075.04 km) |
| San Juan to Carmichael (California) | 3,574.07 mi (5,751.92 km) |
| San Juan to Carney (Maryland) | 1,580.56 mi (2,543.67 km) |
| San Juan to Carnot-Moon (Pennsylvania) | 1,744.29 mi (2,807.17 km) |
| San Juan to Carol Stream (Illinois) | 2,079.42 mi (3,346.50 km) |
| San Juan to Carolina (Puerto Rico) | 5.38 mi (8.66 km) |
| San Juan to Carolina Forest (South Carolina) | 1,325.24 mi (2,132.78 km) |
| San Juan to Carpentersville (Illinois) | 2,095.16 mi (3,371.83 km) |
| San Juan to Carpinteria (California) | 3,445.44 mi (5,544.91 km) |
| San Juan to Carrboro (North Carolina) | 1,448.55 mi (2,331.21 km) |
| San Juan to Carroll (Iowa) | 2,351.46 mi (3,784.31 km) |
| San Juan to Carrollton (Georgia) | 1,574.72 mi (2,534.27 km) |
| San Juan to Carrollton (Texas) | 2,156.81 mi (3,471.05 km) |
