| San Juan to Commerce (California) | 3,365.74 mi (5,416.64 km) |
| San Juan to Commerce City (Colorado) | 2,738.87 mi (4,407.79 km) |
| San Juan to Compton (California) | 3,369.45 mi (5,422.61 km) |
| San Juan to Comstock Park (Michigan) | 2,051.87 mi (3,302.16 km) |
| San Juan to Concord (California) | 3,605.58 mi (5,802.63 km) |
| San Juan to Concord (Missouri) | 2,014.84 mi (3,242.57 km) |
| San Juan to Concord (New Hampshire) | 1,745.47 mi (2,809.06 km) |
| San Juan to Concord (North Carolina) | 1,474.47 mi (2,372.93 km) |
| San Juan to Conneaut (Ohio) | 1,836.16 mi (2,955.02 km) |
| San Juan to Connersville (Indiana) | 1,858.46 mi (2,990.91 km) |
| San Juan to Conroe (Texas) | 2,018.65 mi (3,248.70 km) |
| San Juan to Converse (Texas) | 2,167.03 mi (3,487.49 km) |
| San Juan to Conway (Arkansas) | 1,984.98 mi (3,194.52 km) |
| San Juan to Conway (Florida) | 1,191.26 mi (1,917.15 km) |
| San Juan to Conway (South Carolina) | 1,334.02 mi (2,146.89 km) |
