| Ozarow Mazowiecki to Octeville | 989.58 mi (1,592.57 km) |
| Ozarow Mazowiecki to Oignies | 775.91 mi (1,248.70 km) |
| Ozarow Mazowiecki to Oissel | 880.67 mi (1,417.31 km) |
| Ozarow Mazowiecki to Olivet | 887.84 mi (1,428.85 km) |
| Ozarow Mazowiecki to Ollioules | 933.31 mi (1,502.01 km) |
| Ozarow Mazowiecki to Olonne-sur-Mer | 1,083.15 mi (1,743.16 km) |
| Ozarow Mazowiecki to Oloron-Sainte-Marie | 1,167.69 mi (1,879.21 km) |
| Ozarow Mazowiecki to Onet Village | 993.10 mi (1,598.24 km) |
| Ozarow Mazowiecki to Onnaing | 751.90 mi (1,210.06 km) |
| Ozarow Mazowiecki to Orange | 920.91 mi (1,482.06 km) |
| Ozarow Mazowiecki to Orchies | 765.20 mi (1,231.48 km) |
| Ozarow Mazowiecki to Orleans | 886.30 mi (1,426.36 km) |
| Ozarow Mazowiecki to Orly | 841.50 mi (1,354.26 km) |
| Ozarow Mazowiecki to Ormesson-sur-Marne | 834.27 mi (1,342.62 km) |
| Ozarow Mazowiecki to Orsay | 851.34 mi (1,370.10 km) |
