| Markham to Altus (Oklahoma) | 791.72 mi (1,274.15 km) |
| Markham to Alum Rock (California) | 1,831.31 mi (2,947.21 km) |
| Markham to Alvin (Texas) | 945.06 mi (1,520.93 km) |
| Markham to Amarillo (Texas) | 882.64 mi (1,420.48 km) |
| Markham to Amelia (Ohio) | 254.91 mi (410.24 km) |
| Markham to American Canyon (California) | 1,835.35 mi (2,953.71 km) |
| Markham to American Fork (Utah) | 1,255.90 mi (2,021.18 km) |
| Markham to Americus (Georgia) | 685.37 mi (1,103.00 km) |
| Markham to Ames (Iowa) | 306.79 mi (493.74 km) |
| Markham to Amherst (Ohio) | 282.83 mi (455.17 km) |
| Markham to Ammon (Idaho) | 1,237.76 mi (1,991.98 km) |
| Markham to Amsterdam (New York) | 695.63 mi (1,119.51 km) |
| Markham to Anacortes (Washington) | 1,753.88 mi (2,822.59 km) |
| Markham to Anaheim (California) | 1,723.49 mi (2,773.69 km) |
| Markham to Anchorage (Alaska) | 2,836.23 mi (4,564.47 km) |
