| Grand Forks to Carrollwood (Florida) | 1,579.28 mi (2,541.61 km) |
| Grand Forks to Carson (California) | 1,464.13 mi (2,356.29 km) |
| Grand Forks to Carson City (Nevada) | 1,279.84 mi (2,059.71 km) |
| Grand Forks to Carteret (New Jersey) | 1,233.61 mi (1,985.30 km) |
| Grand Forks to Cartersville (Georgia) | 1,142.95 mi (1,839.40 km) |
| Grand Forks to Carthage (Missouri) | 757.28 mi (1,218.72 km) |
| Grand Forks to Cary (Illinois) | 583.79 mi (939.52 km) |
| Grand Forks to Cary (North Carolina) | 1,254.15 mi (2,018.36 km) |
| Grand Forks to Casa de Oro-Mount Helix (California) | 1,472.39 mi (2,369.58 km) |
| Grand Forks to Casa Grande (Arizona) | 1,288.35 mi (2,073.40 km) |
| Grand Forks to Casas Adobes (Arizona) | 1,299.24 mi (2,090.92 km) |
| Grand Forks to Cascades (Virginia) | 1,157.44 mi (1,862.73 km) |
| Grand Forks to Casper (Wyoming) | 568.47 mi (914.86 km) |
| Grand Forks to Casselberry (Florida) | 1,574.82 mi (2,534.42 km) |
| Grand Forks to Castaic (California) | 1,446.04 mi (2,327.18 km) |
