| Duffel to Camas (Washington) | 5,045.56 mi (8,120.04 km) |
| Duffel to Cambridge (Maryland) | 3,840.17 mi (6,180.15 km) |
| Duffel to Cambridge (Massachusetts) | 3,471.00 mi (5,586.04 km) |
| Duffel to Camden (Arkansas) | 4,746.75 mi (7,639.15 km) |
| Duffel to Camden (New Jersey) | 3,738.30 mi (6,016.21 km) |
| Duffel to Cameron Park (California) | 5,414.85 mi (8,714.35 km) |
| Duffel to Camp Pendleton South (California) | 5,626.86 mi (9,055.56 km) |
| Duffel to Camp Springs (Maryland) | 3,862.63 mi (6,216.31 km) |
| Duffel to Camp Verde (Arizona) | 5,373.22 mi (8,647.36 km) |
| Duffel to Campbell (California) | 5,524.48 mi (8,890.80 km) |
| Duffel to Campbellsville (Kentucky) | 4,266.87 mi (6,866.87 km) |
| Duffel to Campton Hills (Illinois) | 4,162.31 mi (6,698.59 km) |
| Duffel to Canby (Oregon) | 5,071.80 mi (8,162.28 km) |
| Duffel to Candelaria (Puerto Rico) | 4,404.62 mi (7,088.56 km) |
| Duffel to Candler-McAfee (Georgia) | 4,400.92 mi (7,082.60 km) |
