| Ozark to Oerlinghausen | 4,704.55 mi (7,571.23 km) |
| Ozark to Oestrich-Winkel | 4,753.70 mi (7,650.34 km) |
| Ozark to Offenburg | 4,809.04 mi (7,739.40 km) |
| Ozark to Oftersheim | 4,799.37 mi (7,723.84 km) |
| Ozark to Ohrdruf | 4,822.23 mi (7,760.63 km) |
| Ozark to Ohringen | 4,840.22 mi (7,789.58 km) |
| Ozark to Olbernhau | 4,921.54 mi (7,920.45 km) |
| Ozark to Olching | 4,947.67 mi (7,962.50 km) |
| Ozark to Oldenburg | 4,645.01 mi (7,475.41 km) |
| Ozark to Oldenburg in Holstein | 4,693.82 mi (7,553.98 km) |
| Ozark to Olfen | 4,667.45 mi (7,511.53 km) |
| Ozark to Olpe | 4,709.63 mi (7,579.42 km) |
| Ozark to Olsberg | 4,720.95 mi (7,597.63 km) |
| Ozark to Oranienburg | 4,833.90 mi (7,779.40 km) |
| Ozark to Ortenberg | 4,779.35 mi (7,691.62 km) |
