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    Time to walk 21 km

    Walking Time Calculator / km
    How long does it take to walk
    km

    How long to walk 21 km?

    Answer

    Walking 21 km takes about
    4 hours and 7 minutes

    ≈ 4.12 hours ≈ 247 minutes

    Average walking pace 5.1 km/h (≈ 3.17 mph) · non‑stop, flat ground

    21 km at other paces
    3 km/h7 hslow4 km/h5 h 15 minleisurely5.1 km/h4 h 7 minused here6 km/h3 h 30 minbrisk7 km/h3 hvery brisk

    21 km ÷ 5.1 km/h ≈ 4.12 h ≈ 4 h 7 min

    See Also

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    https://calculat.io/en/length/how-long-does-it-take-to-walk-km/21Copy
    <a href="https://calculat.io/en/length/how-long-does-it-take-to-walk-km/21">How long does it take to walk 21 km? - Calculatio</a>Copy
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    How long does it take to walk 21 km?. It takes about 4 hours and 7 minutes to walk 21 km at an average pace of 5.1 km/h (≈ 3.17 mph). Walking time for any distance in km.
    https://calculat.io/en/length/how-long-does-it-take-to-walk-km/21/generated.jpgCopy

    Time to walk distance

    DistanceTime in hoursTime
    13.5 km2.652 hours and 39 minutes
    14 km2.752 hours and 45 minutes
    14.5 km2.842 hours and 51 minutes
    15 km2.942 hours and 56 minutes
    15.5 km3.043 hours and 2 minutes
    16 km3.143 hours and 8 minutes
    16.5 km3.243 hours and 14 minutes
    17 km3.333 hours and 20 minutes
    17.5 km3.433 hours and 26 minutes
    18 km3.533 hours and 32 minutes
    18.5 km3.633 hours and 38 minutes
    19 km3.733 hours and 44 minutes
    19.5 km3.823 hours and 49 minutes
    20 km3.923 hours and 55 minutes
    20.5 km4.024 hours and 1 minute
    21 km4.124 hours and 7 minutes
    22 km4.314 hours and 19 minutes
    22.5 km4.414 hours and 25 minutes
    23 km4.514 hours and 31 minutes
    23.5 km4.614 hours and 36 minutes
    24 km4.714 hours and 42 minutes
    25 km4.94 hours and 54 minutes
    25.5 km55 hours
    26 km5.15 hours and 6 minutes
    27 km5.295 hours and 18 minutes
    27.5 km5.395 hours and 24 minutes
    28 km5.495 hours and 29 minutes
    29 km5.695 hours and 41 minutes
    30 km5.885 hours and 53 minutes
    31 km6.086 hours and 5 minutes
    Recalculate with different values ↑

    FAQ

    How long to walk 21 km?

    Walking 21 km takes about 4 hours and 7 minutes

    What walking pace does this calculator use?

    An average pace of 5.1 km/h (≈ 3.17 mph), about 1.42 m/s, between the usual 1.31 m/s and the medium 1.47 m/s walking speeds of a 2020 review of 35 studies (Murtagh et al., Sports Medicine). The paces under the answer show 3 to 7 km/h.

    Does it include breaks or hills?

    No — it is non-stop walking on flat ground; breaks, hills and crowds add time.

    See Also