| Skien to Carlsbad (New Mexico) | 5,070.41 mi (8,160.03 km) |
| Skien to Carmel (Indiana) | 4,086.77 mi (6,577.03 km) |
| Skien to Carmichael (California) | 5,117.24 mi (8,235.40 km) |
| Skien to Carney (Maryland) | 3,805.92 mi (6,125.03 km) |
| Skien to Carnot-Moon (Pennsylvania) | 3,866.96 mi (6,223.26 km) |
| Skien to Carol Stream (Illinois) | 4,039.81 mi (6,501.44 km) |
| Skien to Carolina (Puerto Rico) | 4,621.27 mi (7,437.22 km) |
| Skien to Carolina Forest (South Carolina) | 4,196.45 mi (6,753.53 km) |
| Skien to Carpentersville (Illinois) | 4,033.30 mi (6,490.97 km) |
| Skien to Carpinteria (California) | 5,344.04 mi (8,600.40 km) |
| Skien to Carrboro (North Carolina) | 4,081.94 mi (6,569.24 km) |
| Skien to Carroll (Iowa) | 4,232.07 mi (6,810.86 km) |
| Skien to Carrollton (Georgia) | 4,411.80 mi (7,100.11 km) |
| Skien to Carrollton (Texas) | 4,819.28 mi (7,755.88 km) |
| Skien to Carrollwood (Florida) | 4,642.04 mi (7,470.64 km) |
