| Isabela to Carrollwood (Florida) | 1,182.65 mi (1,903.28 km) |
| Isabela to Carson (California) | 3,312.42 mi (5,330.82 km) |
| Isabela to Carson City (Nevada) | 3,439.50 mi (5,535.34 km) |
| Isabela to Carteret (New Jersey) | 1,584.81 mi (2,550.50 km) |
| Isabela to Cartersville (Georgia) | 1,538.99 mi (2,476.77 km) |
| Isabela to Carthage (Missouri) | 2,094.36 mi (3,370.55 km) |
| Isabela to Cary (Illinois) | 2,057.83 mi (3,311.76 km) |
| Isabela to Cary (North Carolina) | 1,394.47 mi (2,244.18 km) |
| Isabela to Casa de Oro-Mount Helix (California) | 3,231.80 mi (5,201.08 km) |
| Isabela to Casa Grande (Arizona) | 2,932.81 mi (4,719.91 km) |
| Isabela to Casas Adobes (Arizona) | 2,883.86 mi (4,641.12 km) |
| Isabela to Cascades (Virginia) | 1,549.59 mi (2,493.82 km) |
| Isabela to Casper (Wyoming) | 2,838.04 mi (4,567.38 km) |
| Isabela to Casselberry (Florida) | 1,144.11 mi (1,841.27 km) |
| Isabela to Castaic (California) | 3,337.96 mi (5,371.93 km) |
