| Denver (Colorado) to Monrovia | 819.71 mi (1,319.20 km) |
| Portland (Oregon) to Monrovia | 823.28 mi (1,324.94 km) |
| Seattle (Washington) to Monrovia | 956.46 mi (1,539.27 km) |
| Dallas (Texas) to Monrovia | 1,224.67 mi (1,970.92 km) |
| San Diego (California) to Monrovia | 104.90 mi (168.82 km) |
| Houston (Texas) to Monrovia | 1,355.85 mi (2,182.03 km) |
| Minneapolis (Minnesota) to Monrovia | 1,504.76 mi (2,421.67 km) |
| St. Louis (Missouri) to Monrovia | 1,567.40 mi (2,522.48 km) |
| Chicago (Illinois) to Monrovia | 1,722.66 mi (2,772.35 km) |
| Atlanta (Georgia) to Monrovia | 1,915.15 mi (3,082.14 km) |
| Detroit (Michigan) to Monrovia | 1,960.37 mi (3,154.91 km) |
| Tampa (Florida) to Monrovia | 2,135.13 mi (3,436.15 km) |
| Washington (District of Columbia) to Monrovia | 2,279.01 mi (3,667.71 km) |
| Baltimore (Maryland) to Monrovia | 2,298.32 mi (3,698.78 km) |
| Miami (Florida) to Monrovia | 2,320.11 mi (3,733.86 km) |
| Philadelphia (Pennsylvania) to Monrovia | 2,373.31 mi (3,819.47 km) |
| Brooklyn (New York) to Monrovia | 2,432.47 mi (3,914.69 km) |
| New York (New York) to Monrovia | 2,433.56 mi (3,916.44 km) |
| Queens (New York) to Monrovia | 2,439.96 mi (3,926.74 km) |
| Los Angeles (California) to Monrovia | 23.97 mi (38.58 km) |
| Las Vegas (Nevada) to Monrovia | 210.03 mi (338.02 km) |
| Boston (Massachusetts) to Monrovia | 2,573.33 mi (4,141.38 km) |
| Riverside (California) to Monrovia | 37.61 mi (60.53 km) |
| Phoenix (Arizona) to Monrovia | 341.06 mi (548.89 km) |
| San Francisco (California) to Monrovia | 351.43 mi (565.58 km) |