| Monnickendam to Olympia Heights (Florida) | 4,638.95 mi (7,465.67 km) |
| Monnickendam to Omaha (Nebraska) | 4,437.09 mi (7,140.80 km) |
| Monnickendam to On Top of the World Designated Place (Florida) | 4,543.30 mi (7,311.73 km) |
| Monnickendam to Onalaska (Wisconsin) | 4,136.35 mi (6,656.82 km) |
| Monnickendam to Oneida (New York) | 3,603.45 mi (5,799.19 km) |
| Monnickendam to Oneonta (New York) | 3,608.38 mi (5,807.13 km) |
| Monnickendam to Ontario (California) | 5,535.67 mi (8,908.80 km) |
| Monnickendam to Ontario (Oregon) | 4,933.38 mi (7,939.50 km) |
| Monnickendam to Opa-locka (Florida) | 4,626.39 mi (7,445.46 km) |
| Monnickendam to Opelika (Alabama) | 4,483.78 mi (7,215.94 km) |
| Monnickendam to Opelousas (Louisiana) | 4,854.39 mi (7,812.38 km) |
| Monnickendam to Orange (California) | 5,555.99 mi (8,941.51 km) |
| Monnickendam to Orange (Texas) | 4,939.74 mi (7,949.75 km) |
| Monnickendam to Orange City (Florida) | 4,511.77 mi (7,260.99 km) |
| Monnickendam to Orangeburg (South Carolina) | 4,263.79 mi (6,861.91 km) |
