| San Juan to Crawfordsville (Indiana) | 1,942.74 mi (3,126.54 km) |
| San Juan to Crest Hill (Illinois) | 2,062.00 mi (3,318.47 km) |
| San Juan to Crestview (Florida) | 1,541.60 mi (2,480.96 km) |
| San Juan to Crestwood (Illinois) | 2,051.85 mi (3,302.13 km) |
| San Juan to Crestwood (Missouri) | 2,017.61 mi (3,247.04 km) |
| San Juan to Creve Coeur (Missouri) | 2,024.76 mi (3,258.54 km) |
| San Juan to Crofton (Maryland) | 1,560.22 mi (2,510.93 km) |
| San Juan to Crossville (Tennessee) | 1,675.90 mi (2,697.11 km) |
| San Juan to Crowley (Louisiana) | 1,840.72 mi (2,962.35 km) |
| San Juan to Crowley (Texas) | 2,172.36 mi (3,496.07 km) |
| San Juan to Crown Point (Indiana) | 2,026.15 mi (3,260.78 km) |
| San Juan to Crystal (Minnesota) | 2,418.15 mi (3,891.63 km) |
| San Juan to Crystal Lake (Illinois) | 2,102.19 mi (3,383.15 km) |
| San Juan to Cudahy (California) | 3,367.32 mi (5,419.18 km) |
| San Juan to Cudahy (Wisconsin) | 2,120.59 mi (3,412.76 km) |
