| Fallbrook to Carrollwood (Florida) | 2,084.48 mi (3,354.65 km) |
| Fallbrook to Carson (California) | 67.52 mi (108.67 km) |
| Fallbrook to Carson City (Nevada) | 423.41 mi (681.42 km) |
| Fallbrook to Carteret (New Jersey) | 2,400.54 mi (3,863.29 km) |
| Fallbrook to Cartersville (Georgia) | 1,855.35 mi (2,985.90 km) |
| Fallbrook to Carthage (Missouri) | 1,314.88 mi (2,116.10 km) |
| Fallbrook to Cary (Illinois) | 1,685.91 mi (2,713.21 km) |
| Fallbrook to Cary (North Carolina) | 2,177.37 mi (3,504.14 km) |
| Fallbrook to Casa de Oro-Mount Helix (California) | 44.39 mi (71.44 km) |
| Fallbrook to Casa Grande (Arizona) | 317.67 mi (511.24 km) |
| Fallbrook to Casas Adobes (Arizona) | 367.55 mi (591.52 km) |
| Fallbrook to Cascades (Virginia) | 2,237.17 mi (3,600.38 km) |
| Fallbrook to Casper (Wyoming) | 881.59 mi (1,418.78 km) |
| Fallbrook to Casselberry (Florida) | 2,140.15 mi (3,444.24 km) |
| Fallbrook to Castaic (California) | 111.37 mi (179.23 km) |
