| Duffel to Kilgore (Texas) | 4,884.57 mi (7,860.95 km) |
| Duffel to Killeen (Texas) | 5,063.48 mi (8,148.89 km) |
| Duffel to King City (California) | 5,564.07 mi (8,954.51 km) |
| Duffel to King of Prussia (Pennsylvania) | 3,742.22 mi (6,022.53 km) |
| Duffel to Kingman (Arizona) | 5,405.98 mi (8,700.09 km) |
| Duffel to Kings Mountain (North Carolina) | 4,209.48 mi (6,774.50 km) |
| Duffel to Kings Park (New York) | 3,621.02 mi (5,827.47 km) |
| Duffel to Kings Park West (Virginia) | 3,877.35 mi (6,240.00 km) |
| Duffel to Kingsburg (California) | 5,500.17 mi (8,851.66 km) |
| Duffel to Kingsland (Georgia) | 4,440.76 mi (7,146.71 km) |
| Duffel to Kingsport (Tennessee) | 4,195.58 mi (6,752.13 km) |
| Duffel to Kingston (New York) | 3,605.86 mi (5,803.08 km) |
| Duffel to Kingston (Pennsylvania) | 3,710.53 mi (5,971.51 km) |
| Duffel to Kingstowne (Virginia) | 3,873.65 mi (6,234.03 km) |
| Duffel to Kingsville (Texas) | 5,258.61 mi (8,462.92 km) |
