| Duffel to Cedar Rapids (Iowa) | 4,281.33 mi (6,890.13 km) |
| Duffel to Cedarburg (Wisconsin) | 4,082.47 mi (6,570.10 km) |
| Duffel to Celebration (Florida) | 4,559.05 mi (7,337.09 km) |
| Duffel to Celina (Ohio) | 4,082.85 mi (6,570.72 km) |
| Duffel to Celina (Texas) | 4,909.99 mi (7,901.86 km) |
| Duffel to Centennial (Colorado) | 4,864.44 mi (7,828.56 km) |
| Duffel to Center Point (Alabama) | 4,501.56 mi (7,244.57 km) |
| Duffel to Centereach (New York) | 3,615.20 mi (5,818.11 km) |
| Duffel to Centerton (Arkansas) | 4,658.75 mi (7,497.54 km) |
| Duffel to Centerville (Ohio) | 4,110.21 mi (6,614.74 km) |
| Duffel to Centerville (Utah) | 5,016.87 mi (8,073.87 km) |
| Duffel to Central (Louisiana) | 4,830.92 mi (7,774.62 km) |
| Duffel to Central Falls (Rhode Island) | 3,502.73 mi (5,637.10 km) |
| Duffel to Central Islip (New York) | 3,623.45 mi (5,831.38 km) |
| Duffel to Central Point (Oregon) | 5,248.34 mi (8,446.39 km) |
