| Ponce to Cadillac (Michigan) | 2,114.96 mi (3,403.69 km) |
| Ponce to Caguas (Puerto Rico) | 41.13 mi (66.20 km) |
| Ponce to Cahokia (Illinois) | 2,005.67 mi (3,227.82 km) |
| Ponce to Calabasas (California) | 3,377.38 mi (5,435.37 km) |
| Ponce to Caldwell (Idaho) | 3,388.95 mi (5,453.98 km) |
| Ponce to Caledonia (Wisconsin) | 2,116.80 mi (3,406.66 km) |
| Ponce to Calera (Alabama) | 1,626.33 mi (2,617.32 km) |
| Ponce to Calexico (California) | 3,185.02 mi (5,125.79 km) |
| Ponce to Calhoun (Georgia) | 1,602.20 mi (2,578.50 km) |
| Ponce to California (Maryland) | 1,522.74 mi (2,450.61 km) |
| Ponce to California City (California) | 3,339.98 mi (5,375.17 km) |
| Ponce to Callaway (Florida) | 1,455.22 mi (2,341.96 km) |
| Ponce to Calumet City (Illinois) | 2,045.54 mi (3,291.98 km) |
| Ponce to Calverton (Maryland) | 1,580.72 mi (2,543.93 km) |
| Ponce to Camano (Washington) | 3,737.82 mi (6,015.45 km) |
