| Boulder to North Myrtle Beach (South Carolina) | 1,521.05 mi (2,447.89 km) |
| Boulder to North New Hyde Park (New York) | 1,652.97 mi (2,660.19 km) |
| Boulder to North Ogden (Utah) | 362.42 mi (583.25 km) |
| Boulder to North Olmsted (Ohio) | 1,221.95 mi (1,966.53 km) |
| Boulder to North Palm Beach (Florida) | 1,706.17 mi (2,745.82 km) |
| Boulder to North Plainfield (New Jersey) | 1,615.38 mi (2,599.70 km) |
| Boulder to North Platte (Nebraska) | 247.50 mi (398.31 km) |
| Boulder to North Port (Florida) | 1,593.93 mi (2,565.18 km) |
| Boulder to North Potomac (Maryland) | 1,487.53 mi (2,393.95 km) |
| Boulder to North Richland Hills (Texas) | 666.08 mi (1,071.95 km) |
| Boulder to North Ridgeville (Ohio) | 1,216.86 mi (1,958.35 km) |
| Boulder to North Royalton (Ohio) | 1,231.37 mi (1,981.70 km) |
| Boulder to North Salt Lake (Utah) | 355.03 mi (571.37 km) |
| Boulder to North St. Paul (Minnesota) | 711.78 mi (1,145.49 km) |
| Boulder to North Tonawanda (New York) | 1,374.75 mi (2,212.44 km) |
