| Duluth to Kidbrooke | 3,894.74 mi (6,267.98 km) |
| Duluth to Kidderminster | 3,778.55 mi (6,080.98 km) |
| Duluth to Kidlington | 3,833.99 mi (6,170.21 km) |
| Duluth to Kidsgrove | 3,752.48 mi (6,039.04 km) |
| Duluth to Killamarsh | 3,776.38 mi (6,077.49 km) |
| Duluth to Killingworth | 3,704.82 mi (5,962.32 km) |
| Duluth to Kilmarnock | 3,584.99 mi (5,769.49 km) |
| Duluth to Kilsyth | 3,587.13 mi (5,772.92 km) |
| Duluth to Kilwinning | 3,576.46 mi (5,755.76 km) |
| Duluth to King's Lynn | 3,857.20 mi (6,207.56 km) |
| Duluth to Kings Norton | 3,789.22 mi (6,098.16 km) |
| Duluth to Kingsnorth | 3,937.91 mi (6,337.46 km) |
| Duluth to Kingsteignton | 3,799.53 mi (6,114.76 km) |
| Duluth to Kingston upon Hull | 3,794.09 mi (6,106.00 km) |
| Duluth to Kingston upon Thames | 3,885.20 mi (6,252.62 km) |
