| Ronkonkoma to Octeville | 3,398.59 mi (5,469.50 km) |
| Ronkonkoma to Oignies | 3,573.02 mi (5,750.22 km) |
| Ronkonkoma to Oissel | 3,520.90 mi (5,666.34 km) |
| Ronkonkoma to Olivet | 3,592.14 mi (5,780.98 km) |
| Ronkonkoma to Ollioules | 3,901.15 mi (6,278.30 km) |
| Ronkonkoma to Olonne-sur-Mer | 3,464.96 mi (5,576.32 km) |
| Ronkonkoma to Oloron-Sainte-Marie | 3,605.90 mi (5,803.13 km) |
| Ronkonkoma to Onet Village | 3,718.12 mi (5,983.73 km) |
| Ronkonkoma to Onnaing | 3,599.89 mi (5,793.46 km) |
| Ronkonkoma to Orange | 3,824.01 mi (6,154.15 km) |
| Ronkonkoma to Orchies | 3,583.20 mi (5,766.60 km) |
| Ronkonkoma to Orleans | 3,591.50 mi (5,779.97 km) |
| Ronkonkoma to Orly | 3,590.70 mi (5,778.67 km) |
| Ronkonkoma to Ormesson-sur-Marne | 3,595.80 mi (5,786.88 km) |
| Ronkonkoma to Orsay | 3,583.15 mi (5,766.52 km) |
