| Grinon to Centralia (Illinois) | 4,364.50 mi (7,023.98 km) |
| Grinon to Centralia (Washington) | 5,359.20 mi (8,624.80 km) |
| Grinon to Centreville (Virginia) | 3,803.06 mi (6,120.43 km) |
| Grinon to Ceres (California) | 5,749.45 mi (9,252.85 km) |
| Grinon to Cerritos (California) | 5,822.94 mi (9,371.12 km) |
| Grinon to Chalco (Nebraska) | 4,579.66 mi (7,370.25 km) |
| Grinon to Chalmette (Louisiana) | 4,730.29 mi (7,612.67 km) |
| Grinon to Chambersburg (Pennsylvania) | 3,779.92 mi (6,083.20 km) |
| Grinon to Chamblee (Georgia) | 4,303.17 mi (6,925.28 km) |
| Grinon to Champaign (Illinois) | 4,269.00 mi (6,870.29 km) |
| Grinon to Champlin (Minnesota) | 4,316.15 mi (6,946.16 km) |
| Grinon to Chandler (Arizona) | 5,594.09 mi (9,002.82 km) |
| Grinon to Chanhassen (Minnesota) | 4,334.49 mi (6,975.68 km) |
| Grinon to Channahon (Illinois) | 4,223.10 mi (6,796.42 km) |
| Grinon to Channelview (Texas) | 4,986.52 mi (8,025.04 km) |
