| mile (US Survey) | 1 mi (US) | 2 mi (US) | 3 mi (US) | 4 mi (US) | 5 mi (US) | 6 mi (US) | 7 mi (US) | 8 mi (US) | 9 mi (US) | 10 mi (US) | 11 mi (US) | 12 mi (US) | 13 mi (US) | 14 mi (US) | 15 mi (US) | 16 mi (US) | 17 mi (US) | 18 mi (US) | 19 mi (US) | 20 mi (US) | 21 mi (US) | 22 mi (US) | 23 mi (US) | 24 mi (US) | 25 mi (US) | 26 mi (US) | 27 mi (US) | 28 mi (US) | 29 mi (US) | 30 mi (US) | 31 mi (US) | 32 mi (US) | 33 mi (US) | 34 mi (US) | 35 mi (US) | 36 mi (US) | 37 mi (US) | 38 mi (US) | 39 mi (US) | 40 mi (US) | 41 mi (US) | 42 mi (US) | 43 mi (US) | 44 mi (US) | 45 mi (US) | 46 mi (US) | 47 mi (US) | 48 mi (US) | 49 mi (US) | 50 mi (US) | 51 mi (US) | 52 mi (US) | 53 mi (US) | 54 mi (US) | 55 mi (US) | 56 mi (US) | 57 mi (US) | 58 mi (US) | 59 mi (US) | 60 mi (US) | 61 mi (US) | 62 mi (US) | 63 mi (US) | 64 mi (US) | 65 mi (US) | 66 mi (US) | 67 mi (US) | 68 mi (US) | 69 mi (US) | 70 mi (US) | 71 mi (US) | 72 mi (US) | 73 mi (US) | 74 mi (US) | 75 mi (US) | 76 mi (US) | 77 mi (US) | 78 mi (US) | 79 mi (US) | 80 mi (US) | 81 mi (US) | 82 mi (US) | 83 mi (US) | 84 mi (US) | 85 mi (US) | 86 mi (US) | 87 mi (US) | 88 mi (US) | 89 mi (US) | 90 mi (US) | 91 mi (US) | 92 mi (US) | 93 mi (US) | 94 mi (US) | 95 mi (US) | 96 mi (US) | 97 mi (US) | 98 mi (US) | 99 mi (US) | 100 mi (US) |
| earth radius | 0.0002526 R⊕ | 0.0005052 R⊕ | 0.0007578 R⊕ | 0.0010104 R⊕ | 0.0012630 R⊕ | 0.0015156 R⊕ | 0.0017682 R⊕ | 0.0020208 R⊕ | 0.0022734 R⊕ | 0.0025261 R⊕ | 0.0027787 R⊕ | 0.0030313 R⊕ | 0.0032839 R⊕ | 0.0035365 R⊕ | 0.0037891 R⊕ | 0.0040417 R⊕ | 0.0042943 R⊕ | 0.0045469 R⊕ | 0.0047995 R⊕ | 0.0050521 R⊕ | 0.0053047 R⊕ | 0.0055573 R⊕ | 0.0058099 R⊕ | 0.0060625 R⊕ | 0.0063151 R⊕ | 0.0065677 R⊕ | 0.0068203 R⊕ | 0.0070729 R⊕ | 0.0073255 R⊕ | 0.0075782 R⊕ | 0.0078308 R⊕ | 0.0080834 R⊕ | 0.0083360 R⊕ | 0.0085886 R⊕ | 0.0088412 R⊕ | 0.0090938 R⊕ | 0.0093464 R⊕ | 0.0095990 R⊕ | 0.0098516 R⊕ | 0.0101042 R⊕ | 0.0103568 R⊕ | 0.0106094 R⊕ | 0.0108620 R⊕ | 0.0111146 R⊕ | 0.0113672 R⊕ | 0.0116198 R⊕ | 0.0118724 R⊕ | 0.0121250 R⊕ | 0.0123777 R⊕ | 0.0126303 R⊕ | 0.0128829 R⊕ | 0.0131355 R⊕ | 0.0133881 R⊕ | 0.0136407 R⊕ | 0.0138933 R⊕ | 0.0141459 R⊕ | 0.0143985 R⊕ | 0.0146511 R⊕ | 0.0149037 R⊕ | 0.0151563 R⊕ | 0.0154089 R⊕ | 0.0156615 R⊕ | 0.0159141 R⊕ | 0.0161667 R⊕ | 0.0164193 R⊕ | 0.0166719 R⊕ | 0.0169245 R⊕ | 0.0171771 R⊕ | 0.0174298 R⊕ | 0.0176824 R⊕ | 0.0179350 R⊕ | 0.0181876 R⊕ | 0.0184402 R⊕ | 0.0186928 R⊕ | 0.0189454 R⊕ | 0.0191980 R⊕ | 0.0194506 R⊕ | 0.0197032 R⊕ | 0.0199558 R⊕ | 0.0202084 R⊕ | 0.0204610 R⊕ | 0.0207136 R⊕ | 0.0209662 R⊕ | 0.0212188 R⊕ | 0.0214714 R⊕ | 0.0217240 R⊕ | 0.0219766 R⊕ | 0.0222293 R⊕ | 0.0224819 R⊕ | 0.0227345 R⊕ | 0.0229871 R⊕ | 0.0232397 R⊕ | 0.0234923 R⊕ | 0.0237449 R⊕ | 0.0239975 R⊕ | 0.0242501 R⊕ | 0.0245027 R⊕ | 0.0247553 R⊕ | 0.0250079 R⊕ | 0.0252605 R⊕ |
≡ 5280 US Survey feet ≡ (5280 × 1200⁄3937) m
| 1 miles (US Survey) ≈ 0.00025260511991838 earth radius | 4 miles (US Survey) ≈ 0.0010104204796735 earth radius |
| 1.5 miles (US Survey) ≈ 0.00037890767987757 earth radius | 4.5 miles (US Survey) ≈ 0.0011367230396327 earth radius |
| 2 miles (US Survey) ≈ 0.00050521023983676 earth radius | 5 miles (US Survey) ≈ 0.0012630255995919 earth radius |
| 2.5 miles (US Survey) ≈ 0.00063151279979595 earth radius | 5.5 miles (US Survey) ≈ 0.0013893281595511 earth radius |
| 3 miles (US Survey) ≈ 0.00075781535975514 earth radius | 6 miles (US Survey) ≈ 0.0015156307195103 earth radius |
Earth radius is the distance from Earth's center to its surface, about 6,371 km (3,959 mi). This length is also used as a unit of distance, especially in astronomy and geology, where it is usually denoted by R⊕.
| 1 earth radius ≈ 3958.7479474807 miles (US Survey) | 4 earth radius ≈ 15834.991789923 miles (US Survey) |
| 1.5 earth radius ≈ 5938.121921221 miles (US Survey) | 4.5 earth radius ≈ 17814.365763663 miles (US Survey) |
| 2 earth radius ≈ 7917.4958949614 miles (US Survey) | 5 earth radius ≈ 19793.739737403 miles (US Survey) |
| 2.5 earth radius ≈ 9896.8698687017 miles (US Survey) | 5.5 earth radius ≈ 21773.113711144 miles (US Survey) |
| 3 earth radius ≈ 11876.243842442 miles (US Survey) | 6 earth radius ≈ 23752.487684884 miles (US Survey) |
| 1 miles (US Survey) ≈ 0.0002526 earth radius |
| 1 earth radius ≈ 3,958.7479475 miles (US Survey) |