| 1240 km * | 0.6213711922 mi | = 770.500278374 mi | 
| 1 km | 
| Ölçü vahidləri | Uzunluq | 
|---|---|
| Nanometr | 1.24e+15 nm | 
| Mikrometr | 1.24e+12 µm | 
| Millimetr | 1240000000.0 mm | 
| Santimetr | 124000000.0 cm | 
| Düym | 48818897.6378 in | 
| Ayaq | 4068241.46982 ft | 
| Yard | 1356080.48994 yd | 
| Metr | 1240000.0 m | 
| Kilometr | 1240.0 km | 
| Mil | 770.500278374 mi | 
| Deniz mili | 669.546436285 nmi | 
