| Duffel to Columbia (Illinois) | 4,399.55 mi (7,080.40 km) |
| Duffel to Columbia (Maryland) | 3,842.15 mi (6,183.34 km) |
| Duffel to Columbia (Missouri) | 4,454.32 mi (7,168.54 km) |
| Duffel to Columbia (Pennsylvania) | 3,789.72 mi (6,098.97 km) |
| Duffel to Columbia (South Carolina) | 4,249.22 mi (6,838.46 km) |
| Duffel to Columbia (Tennessee) | 4,417.64 mi (7,109.50 km) |
| Duffel to Columbia Heights (Minnesota) | 4,187.39 mi (6,738.95 km) |
| Duffel to Columbine (Colorado) | 4,871.46 mi (7,839.85 km) |
| Duffel to Columbus (Georgia) | 4,485.61 mi (7,218.89 km) |
| Duffel to Columbus (Indiana) | 4,198.98 mi (6,757.61 km) |
| Duffel to Columbus (Mississippi) | 4,576.72 mi (7,365.52 km) |
| Duffel to Columbus (Nebraska) | 4,510.46 mi (7,258.88 km) |
| Duffel to Columbus (Ohio) | 4,048.59 mi (6,515.57 km) |
| Duffel to Commack (New York) | 3,624.42 mi (5,832.94 km) |
| Duffel to Commerce (California) | 5,605.82 mi (9,021.70 km) |
