| Grinon to Cedar Rapids (Iowa) | 4,356.05 mi (7,010.38 km) |
| Grinon to Cedarburg (Wisconsin) | 4,147.59 mi (6,674.90 km) |
| Grinon to Celebration (Florida) | 4,373.18 mi (7,037.96 km) |
| Grinon to Celina (Ohio) | 4,083.88 mi (6,572.37 km) |
| Grinon to Celina (Texas) | 4,921.12 mi (7,919.79 km) |
| Grinon to Centennial (Colorado) | 5,016.11 mi (8,072.66 km) |
| Grinon to Center Point (Alabama) | 4,427.92 mi (7,126.05 km) |
| Grinon to Centereach (New York) | 3,534.36 mi (5,688.00 km) |
| Grinon to Centerton (Arkansas) | 4,683.99 mi (7,538.15 km) |
| Grinon to Centerville (Ohio) | 4,095.11 mi (6,590.45 km) |
| Grinon to Centerville (Utah) | 5,241.05 mi (8,434.66 km) |
| Grinon to Central (Louisiana) | 4,758.16 mi (7,657.52 km) |
| Grinon to Central Falls (Rhode Island) | 3,426.29 mi (5,514.08 km) |
| Grinon to Central Islip (New York) | 3,542.08 mi (5,700.43 km) |
| Grinon to Central Point (Oregon) | 5,577.53 mi (8,976.17 km) |
