| Markham to Groveton (Virginia) | 592.09 mi (952.88 km) |
| Markham to Grovetown (Georgia) | 637.88 mi (1,026.58 km) |
| Markham to Guayama (Puerto Rico) | 2,070.43 mi (3,332.04 km) |
| Markham to Guaynabo (Puerto Rico) | 2,046.79 mi (3,293.99 km) |
| Markham to Gulf Shores (Alabama) | 782.39 mi (1,259.13 km) |
| Markham to Gulfport (Florida) | 997.67 mi (1,605.60 km) |
| Markham to Gulfport (Mississippi) | 775.76 mi (1,248.47 km) |
| Markham to Gunbarrel (Colorado) | 918.42 mi (1,478.05 km) |
| Markham to Gurnee (Illinois) | 54.77 mi (88.14 km) |
| Markham to Guthrie (Oklahoma) | 658.29 mi (1,059.41 km) |
| Markham to Guttenberg (New Jersey) | 712.93 mi (1,147.36 km) |
| Markham to Guymon (Oklahoma) | 811.68 mi (1,306.27 km) |
| Markham to Hacienda Heights (California) | 1,724.46 mi (2,775.25 km) |
| Markham to Hackensack (New Jersey) | 709.79 mi (1,142.30 km) |
| Markham to Hackettstown (New Jersey) | 669.88 mi (1,078.06 km) |
