| Rancho San Diego to Cullman (Alabama) | 1,730.13 mi (2,784.37 km) |
| Rancho San Diego to Culpeper (Virginia) | 2,204.62 mi (3,547.99 km) |
| Rancho San Diego to Culver City (California) | 121.00 mi (194.74 km) |
| Rancho San Diego to Cumberland (Maryland) | 2,163.06 mi (3,481.10 km) |
| Rancho San Diego to Cupertino (California) | 427.80 mi (688.48 km) |
| Rancho San Diego to Cutler Bay (Florida) | 2,250.59 mi (3,621.98 km) |
| Rancho San Diego to Cutlerville (Michigan) | 1,829.25 mi (2,943.89 km) |
| Rancho San Diego to Cuyahoga Falls (Ohio) | 2,023.07 mi (3,255.82 km) |
| Rancho San Diego to Cypress (California) | 97.40 mi (156.75 km) |
| Rancho San Diego to Cypress Gardens (Florida) | 2,115.86 mi (3,405.15 km) |
| Rancho San Diego to Cypress Lake (Florida) | 2,136.23 mi (3,437.92 km) |
| Rancho San Diego to D'Iberville (Mississippi) | 1,651.34 mi (2,657.58 km) |
| Rancho San Diego to Dakota Ridge (Colorado) | 808.98 mi (1,301.93 km) |
| Rancho San Diego to Dale City (Virginia) | 2,239.55 mi (3,604.21 km) |
| Rancho San Diego to Dallas (Georgia) | 1,845.83 mi (2,970.58 km) |
