| Caernarfon to Carlsbad (New Mexico) | 4,840.61 mi (7,790.21 km) |
| Caernarfon to Carmel (Indiana) | 3,774.38 mi (6,074.28 km) |
| Caernarfon to Carmichael (California) | 5,068.65 mi (8,157.20 km) |
| Caernarfon to Carney (Maryland) | 3,421.50 mi (5,506.38 km) |
| Caernarfon to Carnot-Moon (Pennsylvania) | 3,517.51 mi (5,660.88 km) |
| Caernarfon to Carol Stream (Illinois) | 3,758.01 mi (6,047.93 km) |
| Caernarfon to Carolina (Puerto Rico) | 4,042.50 mi (6,505.77 km) |
| Caernarfon to Carolina Forest (South Carolina) | 3,784.75 mi (6,090.96 km) |
| Caernarfon to Carpentersville (Illinois) | 3,754.40 mi (6,042.12 km) |
| Caernarfon to Carpinteria (California) | 5,255.22 mi (8,457.45 km) |
| Caernarfon to Carrboro (North Carolina) | 3,687.41 mi (5,934.31 km) |
| Caernarfon to Carroll (Iowa) | 4,000.13 mi (6,437.59 km) |
| Caernarfon to Carrollton (Georgia) | 4,042.70 mi (6,506.09 km) |
| Caernarfon to Carrollton (Texas) | 4,534.92 mi (7,298.25 km) |
| Caernarfon to Carrollwood (Florida) | 4,217.52 mi (6,787.44 km) |
