| Grinon to Corinth (Mississippi) | 4,467.24 mi (7,189.32 km) |
| Grinon to Corinth (Texas) | 4,940.93 mi (7,951.66 km) |
| Grinon to Cornelius (North Carolina) | 4,080.11 mi (6,566.31 km) |
| Grinon to Cornelius (Oregon) | 5,422.70 mi (8,726.99 km) |
| Grinon to Corning (New York) | 3,686.48 mi (5,932.81 km) |
| Grinon to Corona (California) | 5,802.98 mi (9,338.99 km) |
| Grinon to Coronado (California) | 5,845.28 mi (9,407.07 km) |
| Grinon to Corpus Christi (Texas) | 5,182.02 mi (8,339.66 km) |
| Grinon to Corsicana (Texas) | 4,956.42 mi (7,976.59 km) |
| Grinon to Cortland (New York) | 3,632.81 mi (5,846.45 km) |
| Grinon to Corvallis (Oregon) | 5,478.38 mi (8,816.60 km) |
| Grinon to Coshocton (Ohio) | 3,967.40 mi (6,384.92 km) |
| Grinon to Costa Mesa (California) | 5,826.63 mi (9,377.05 km) |
| Grinon to Coto de Caza (California) | 5,816.89 mi (9,361.38 km) |
| Grinon to Cottage Grove (Minnesota) | 4,309.08 mi (6,934.80 km) |
