| South Holland to Oerlinghausen | 4,269.71 mi (6,871.43 km) |
| South Holland to Oestrich-Winkel | 4,318.78 mi (6,950.40 km) |
| South Holland to Offenburg | 4,374.39 mi (7,039.90 km) |
| South Holland to Oftersheim | 4,364.49 mi (7,023.97 km) |
| South Holland to Ohrdruf | 4,387.35 mi (7,060.76 km) |
| South Holland to Ohringen | 4,405.31 mi (7,089.66 km) |
| South Holland to Olbernhau | 4,486.83 mi (7,220.86 km) |
| South Holland to Olching | 4,512.78 mi (7,262.61 km) |
| South Holland to Oldenburg | 4,210.39 mi (6,775.98 km) |
| South Holland to Oldenburg in Holstein | 4,260.10 mi (6,855.96 km) |
| South Holland to Olfen | 4,232.52 mi (6,811.58 km) |
| South Holland to Olpe | 4,274.67 mi (6,879.42 km) |
| South Holland to Olsberg | 4,286.02 mi (6,897.69 km) |
| South Holland to Oranienburg | 4,399.88 mi (7,080.92 km) |
| South Holland to Ortenberg | 4,344.39 mi (6,991.63 km) |
