| Vlotho to Olympia Heights (Florida) | 4,800.21 mi (7,725.19 km) |
| Vlotho to Omaha (Nebraska) | 4,579.33 mi (7,369.72 km) |
| Vlotho to On Top of the World Designated Place (Florida) | 4,702.86 mi (7,568.52 km) |
| Vlotho to Onalaska (Wisconsin) | 4,279.91 mi (6,887.85 km) |
| Vlotho to Oneida (New York) | 3,757.98 mi (6,047.89 km) |
| Vlotho to Oneonta (New York) | 3,763.73 mi (6,057.13 km) |
| Vlotho to Ontario (California) | 5,662.02 mi (9,112.13 km) |
| Vlotho to Ontario (Oregon) | 5,050.50 mi (8,128.00 km) |
| Vlotho to Opa-locka (Florida) | 4,787.63 mi (7,704.94 km) |
| Vlotho to Opelika (Alabama) | 4,640.25 mi (7,467.75 km) |
| Vlotho to Opelousas (Louisiana) | 5,008.21 mi (8,059.94 km) |
| Vlotho to Orange (California) | 5,682.27 mi (9,144.74 km) |
| Vlotho to Orange (Texas) | 5,092.72 mi (8,195.94 km) |
| Vlotho to Orange City (Florida) | 4,671.76 mi (7,518.47 km) |
| Vlotho to Orangeburg (South Carolina) | 4,422.00 mi (7,116.52 km) |
