| Summerlin South to Cullman (Alabama) | 1,609.45 mi (2,590.15 km) |
| Summerlin South to Culpeper (Virginia) | 2,044.30 mi (3,289.99 km) |
| Summerlin South to Culver City (California) | 226.82 mi (365.03 km) |
| Summerlin South to Cumberland (Maryland) | 1,995.33 mi (3,211.17 km) |
| Summerlin South to Cupertino (California) | 380.78 mi (612.80 km) |
| Summerlin South to Cutler Bay (Florida) | 2,186.10 mi (3,518.19 km) |
| Summerlin South to Cutlerville (Michigan) | 1,638.71 mi (2,637.25 km) |
| Summerlin South to Cuyahoga Falls (Ohio) | 1,845.52 mi (2,970.09 km) |
| Summerlin South to Cypress (California) | 221.08 mi (355.80 km) |
| Summerlin South to Cypress Gardens (Florida) | 2,037.13 mi (3,278.44 km) |
| Summerlin South to Cypress Lake (Florida) | 2,069.27 mi (3,330.17 km) |
| Summerlin South to D'Iberville (Mississippi) | 1,570.21 mi (2,527.01 km) |
| Summerlin South to Dakota Ridge (Colorado) | 605.89 mi (975.09 km) |
| Summerlin South to Dale City (Virginia) | 2,077.83 mi (3,343.95 km) |
| Summerlin South to Dallas (Georgia) | 1,724.97 mi (2,776.08 km) |
