| Plum to Cordele (Georgia) | 631.36 mi (1,016.07 km) |
| Plum to Corinth (Mississippi) | 613.25 mi (986.93 km) |
| Plum to Corinth (Texas) | 1,081.73 mi (1,740.88 km) |
| Plum to Cornelius (North Carolina) | 352.95 mi (568.02 km) |
| Plum to Cornelius (Oregon) | 2,187.90 mi (3,521.09 km) |
| Plum to Corning (New York) | 180.10 mi (289.85 km) |
| Plum to Corona (California) | 2,114.67 mi (3,403.23 km) |
| Plum to Coronado (California) | 2,127.87 mi (3,424.48 km) |
| Plum to Corpus Christi (Texas) | 1,335.48 mi (2,149.25 km) |
| Plum to Corsicana (Texas) | 1,094.94 mi (1,762.13 km) |
| Plum to Cortland (New York) | 234.71 mi (377.74 km) |
| Plum to Corvallis (Oregon) | 2,207.35 mi (3,552.39 km) |
| Plum to Coshocton (Ohio) | 111.69 mi (179.74 km) |
| Plum to Costa Mesa (California) | 2,138.43 mi (3,441.47 km) |
| Plum to Coto de Caza (California) | 2,123.22 mi (3,416.98 km) |
