| Denver (Colorado) to Ontario | 805.77 mi (1,296.76 km) |
| Portland (Oregon) to Ontario | 837.88 mi (1,348.44 km) |
| Seattle (Washington) to Ontario | 969.80 mi (1,560.74 km) |
| Dallas (Texas) to Ontario | 1,202.86 mi (1,935.81 km) |
| Houston (Texas) to Ontario | 1,332.93 mi (2,145.14 km) |
| Minneapolis (Minnesota) to Ontario | 1,492.48 mi (2,401.92 km) |
| St. Louis (Missouri) to Ontario | 1,549.53 mi (2,493.72 km) |
| Chicago (Illinois) to Ontario | 1,706.96 mi (2,747.09 km) |
| Riverside (California) to Ontario | 13.99 mi (22.51 km) |
| Atlanta (Georgia) to Ontario | 1,894.68 mi (3,049.19 km) |
| Detroit (Michigan) to Ontario | 1,944.77 mi (3,129.80 km) |
| Boston (Massachusetts) to Ontario | 2,557.59 mi (4,116.04 km) |
| Los Angeles (California) to Ontario | 46.10 mi (74.19 km) |
| San Diego (California) to Ontario | 88.01 mi (141.64 km) |
| Tampa (Florida) to Ontario | 2,112.81 mi (3,400.24 km) |
| Washington (District of Columbia) to Ontario | 2,261.37 mi (3,639.33 km) |
| Baltimore (Maryland) to Ontario | 2,280.89 mi (3,670.74 km) |
| Miami (Florida) to Ontario | 2,297.47 mi (3,697.43 km) |
| Philadelphia (Pennsylvania) to Ontario | 2,356.29 mi (3,792.08 km) |
| Brooklyn (New York) to Ontario | 2,415.81 mi (3,887.87 km) |
| New York (New York) to Ontario | 2,416.92 mi (3,889.66 km) |
| Queens (New York) to Ontario | 2,423.35 mi (3,900.01 km) |
| Las Vegas (Nevada) to Ontario | 201.17 mi (323.76 km) |
| Phoenix (Arizona) to Ontario | 318.35 mi (512.34 km) |
| San Francisco (California) to Ontario | 373.09 mi (600.43 km) |
