| Mason City to Kidbrooke | 4,102.71 mi (6,602.68 km) |
| Mason City to Kidderminster | 3,986.60 mi (6,415.81 km) |
| Mason City to Kidlington | 4,041.52 mi (6,504.20 km) |
| Mason City to Kidsgrove | 3,962.39 mi (6,376.85 km) |
| Mason City to Killamarsh | 3,987.79 mi (6,417.72 km) |
| Mason City to Killingworth | 3,920.37 mi (6,309.23 km) |
| Mason City to Kilmarnock | 3,799.61 mi (6,114.87 km) |
| Mason City to Kilsyth | 3,803.07 mi (6,120.44 km) |
| Mason City to Kilwinning | 3,791.02 mi (6,101.06 km) |
| Mason City to King's Lynn | 4,068.82 mi (6,548.13 km) |
| Mason City to Kings Norton | 3,997.64 mi (6,433.58 km) |
| Mason City to Kingsnorth | 4,145.90 mi (6,672.18 km) |
| Mason City to Kingsteignton | 4,001.12 mi (6,439.19 km) |
| Mason City to Kingston upon Hull | 4,007.50 mi (6,449.44 km) |
| Mason City to Kingston upon Thames | 4,092.69 mi (6,586.55 km) |
