| Forest Grove to Cordele (Georgia) | 2,289.36 mi (3,684.38 km) |
| Forest Grove to Corinth (Mississippi) | 1,947.05 mi (3,133.48 km) |
| Forest Grove to Corinth (Texas) | 1,622.42 mi (2,611.04 km) |
| Forest Grove to Cornelius (North Carolina) | 2,295.30 mi (3,693.92 km) |
| Forest Grove to Cornelius (Oregon) | 2.87 mi (4.61 km) |
| Forest Grove to Corning (New York) | 2,275.47 mi (3,662.01 km) |
| Forest Grove to Corona (California) | 857.49 mi (1,380.00 km) |
| Forest Grove to Coronado (California) | 943.34 mi (1,518.16 km) |
| Forest Grove to Corpus Christi (Texas) | 1,868.79 mi (3,007.52 km) |
| Forest Grove to Corsicana (Texas) | 1,696.48 mi (2,730.22 km) |
| Forest Grove to Cortland (New York) | 2,305.52 mi (3,710.38 km) |
| Forest Grove to Corvallis (Oregon) | 66.46 mi (106.95 km) |
| Forest Grove to Coshocton (Ohio) | 2,096.33 mi (3,373.71 km) |
| Forest Grove to Costa Mesa (California) | 864.23 mi (1,390.85 km) |
| Forest Grove to Coto de Caza (California) | 874.56 mi (1,407.47 km) |
