| Metlika to Octeville | 833.93 mi (1,342.08 km) |
| Metlika to Oignies | 658.18 mi (1,059.24 km) |
| Metlika to Oissel | 710.11 mi (1,142.81 km) |
| Metlika to Olivet | 652.42 mi (1,049.96 km) |
| Metlika to Ollioules | 498.47 mi (802.21 km) |
| Metlika to Olonne-sur-Mer | 819.66 mi (1,319.12 km) |
| Metlika to Oloron-Sainte-Marie | 802.61 mi (1,291.67 km) |
| Metlika to Onet Village | 627.30 mi (1,009.55 km) |
| Metlika to Onnaing | 631.82 mi (1,016.81 km) |
| Metlika to Orange | 524.54 mi (844.17 km) |
| Metlika to Orchies | 648.44 mi (1,043.56 km) |
| Metlika to Orleans | 652.43 mi (1,049.99 km) |
| Metlika to Orly | 642.43 mi (1,033.89 km) |
| Metlika to Ormesson-sur-Marne | 636.77 mi (1,024.78 km) |
| Metlika to Orsay | 650.72 mi (1,047.24 km) |
