| Gahanna to Chambray-les-Tours | 4,002.49 mi (6,441.38 km) |
| Gahanna to Chamonix-Mont-Blanc | 4,306.03 mi (6,929.88 km) |
| Gahanna to Champigny-sur-Marne | 4,032.00 mi (6,488.87 km) |
| Gahanna to Champs-Sur-Marne | 4,034.45 mi (6,492.83 km) |
| Gahanna to Chanteloup-les-Vignes | 4,007.32 mi (6,449.16 km) |
| Gahanna to Chantepie | 3,882.38 mi (6,248.08 km) |
| Gahanna to Chantilly | 4,018.50 mi (6,467.15 km) |
| Gahanna to Chaponost | 4,224.25 mi (6,798.28 km) |
| Gahanna to Charenton-le-Pont | 4,027.20 mi (6,481.15 km) |
| Gahanna to Charleville-Mezieres | 4,091.00 mi (6,583.83 km) |
| Gahanna to Chartres | 4,000.67 mi (6,438.46 km) |
| Gahanna to Chassieu | 4,232.55 mi (6,811.62 km) |
| Gahanna to Chateau-d'Olonne | 3,923.19 mi (6,313.76 km) |
| Gahanna to Chateau-Gontier | 3,928.29 mi (6,321.97 km) |
| Gahanna to Chateau-Thierry | 4,060.99 mi (6,535.54 km) |
