| Winter Haven to Oerlinghausen | 4,733.20 mi (7,617.35 km) |
| Winter Haven to Oestrich-Winkel | 4,748.91 mi (7,642.64 km) |
| Winter Haven to Offenburg | 4,780.44 mi (7,693.37 km) |
| Winter Haven to Oftersheim | 4,787.78 mi (7,705.18 km) |
| Winter Haven to Ohrdruf | 4,843.29 mi (7,794.52 km) |
| Winter Haven to Ohringen | 4,830.59 mi (7,774.08 km) |
| Winter Haven to Olbernhau | 4,953.31 mi (7,971.58 km) |
| Winter Haven to Olching | 4,932.54 mi (7,938.15 km) |
| Winter Haven to Oldenburg | 4,689.94 mi (7,547.73 km) |
| Winter Haven to Oldenburg in Holstein | 4,768.30 mi (7,673.83 km) |
| Winter Haven to Olfen | 4,686.43 mi (7,542.08 km) |
| Winter Haven to Olpe | 4,719.76 mi (7,595.72 km) |
| Winter Haven to Olsberg | 4,739.23 mi (7,627.06 km) |
| Winter Haven to Oranienburg | 4,895.98 mi (7,879.32 km) |
| Winter Haven to Ortenberg | 4,785.08 mi (7,700.84 km) |
