| Isabela to Cullman (Alabama) | 1,630.98 mi (2,624.81 km) |
| Isabela to Culpeper (Virginia) | 1,529.61 mi (2,461.67 km) |
| Isabela to Culver City (California) | 3,321.52 mi (5,345.47 km) |
| Isabela to Cumberland (Maryland) | 1,620.72 mi (2,608.30 km) |
| Isabela to Cupertino (California) | 3,547.37 mi (5,708.93 km) |
| Isabela to Cutler Bay (Florida) | 982.00 mi (1,580.38 km) |
| Isabela to Cutlerville (Michigan) | 2,003.97 mi (3,225.07 km) |
| Isabela to Cuyahoga Falls (Ohio) | 1,785.16 mi (2,872.94 km) |
| Isabela to Cypress (California) | 3,299.87 mi (5,310.63 km) |
| Isabela to Cypress Gardens (Florida) | 1,137.52 mi (1,830.66 km) |
| Isabela to Cypress Lake (Florida) | 1,098.78 mi (1,768.31 km) |
| Isabela to D'Iberville (Mississippi) | 1,600.53 mi (2,575.80 km) |
| Isabela to Dakota Ridge (Colorado) | 2,695.01 mi (4,337.21 km) |
| Isabela to Dale City (Virginia) | 1,523.96 mi (2,452.57 km) |
| Isabela to Dallas (Georgia) | 1,529.73 mi (2,461.87 km) |
