| Boulder to Greenfield (Indiana) | 1,030.41 mi (1,658.28 km) |
| Boulder to Greenfield (Wisconsin) | 913.61 mi (1,470.31 km) |
| Boulder to Greenlawn (New York) | 1,668.45 mi (2,685.11 km) |
| Boulder to Greensboro (North Carolina) | 1,404.53 mi (2,260.37 km) |
| Boulder to Greensburg (Indiana) | 1,048.95 mi (1,688.13 km) |
| Boulder to Greensburg (Pennsylvania) | 1,352.68 mi (2,176.93 km) |
| Boulder to Greentree (New Jersey) | 1,596.36 mi (2,569.09 km) |
| Boulder to Greenville (Mississippi) | 909.01 mi (1,462.91 km) |
| Boulder to Greenville (North Carolina) | 1,545.53 mi (2,487.29 km) |
| Boulder to Greenville (Ohio) | 1,088.52 mi (1,751.80 km) |
| Boulder to Greenville (South Carolina) | 1,301.83 mi (2,095.09 km) |
| Boulder to Greenville (Texas) | 696.08 mi (1,120.23 km) |
| Boulder to Greenwood (Indiana) | 1,014.55 mi (1,632.76 km) |
| Boulder to Greenwood (Mississippi) | 945.07 mi (1,520.95 km) |
| Boulder to Greenwood (South Carolina) | 1,330.50 mi (2,141.24 km) |
