| Duarte to Cordele (Georgia) | 1,976.01 mi (3,180.08 km) |
| Duarte to Corinth (Mississippi) | 1,669.87 mi (2,687.40 km) |
| Duarte to Corinth (Texas) | 1,200.99 mi (1,932.81 km) |
| Duarte to Cornelius (North Carolina) | 2,092.29 mi (3,367.22 km) |
| Duarte to Cornelius (Oregon) | 829.63 mi (1,335.17 km) |
| Duarte to Corning (New York) | 2,266.33 mi (3,647.30 km) |
| Duarte to Corona (California) | 30.26 mi (48.69 km) |
| Duarte to Coronado (California) | 112.97 mi (181.80 km) |
| Duarte to Corpus Christi (Texas) | 1,294.85 mi (2,083.86 km) |
| Duarte to Corsicana (Texas) | 1,249.13 mi (2,010.28 km) |
| Duarte to Cortland (New York) | 2,311.35 mi (3,719.76 km) |
| Duarte to Corvallis (Oregon) | 772.99 mi (1,244.00 km) |
| Duarte to Coshocton (Ohio) | 2,016.25 mi (3,244.85 km) |
| Duarte to Costa Mesa (California) | 34.22 mi (55.07 km) |
| Duarte to Coto de Caza (California) | 44.29 mi (71.27 km) |
